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DQ_001390
Which label shows the crust?
abc_question_images/earth_parts_14051.png
a. J, b. D, c. V, d. H
c
DQ_001389
image
abc_question_images/earth_parts_14051.png
earth_parts_14051.png
1
DQ_001390
Which label shows the crust?
abc_question_images/earth_parts_14051.png
a. J, b. D, c. V, d. H
c
DQ_001499
image
question_images/earth_parts_4051.png
earth_parts_4051.png
0.920881
DQ_001390
Which label shows the crust?
abc_question_images/earth_parts_14051.png
a. J, b. D, c. V, d. H
c
DQ_001537
image
question_images/earth_parts_540.png
earth_parts_540.png
0.826039
DQ_001390
Which label shows the crust?
abc_question_images/earth_parts_14051.png
a. J, b. D, c. V, d. H
c
DQ_001658
image
question_images/earth_parts_6028.png
earth_parts_6028.png
0.824482
DQ_001390
Which label shows the crust?
abc_question_images/earth_parts_14051.png
a. J, b. D, c. V, d. H
c
DQ_001476
image
question_images/earth_parts_4029.png
earth_parts_4029.png
0.819892
DQ_001390
Which label shows the crust?
abc_question_images/earth_parts_14051.png
a. J, b. D, c. V, d. H
c
DQ_001370
image
abc_question_images/earth_parts_10649.png
earth_parts_10649.png
0.818696
DQ_001390
Which label shows the crust?
abc_question_images/earth_parts_14051.png
a. J, b. D, c. V, d. H
c
DQ_001418
image
abc_question_images/earth_parts_16028.png
earth_parts_16028.png
0.817972
DQ_001390
Which label shows the crust?
abc_question_images/earth_parts_14051.png
a. J, b. D, c. V, d. H
c
DQ_001505
image
question_images/earth_parts_4058.png
earth_parts_4058.png
0.815934
DQ_001390
Which label shows the crust?
abc_question_images/earth_parts_14051.png
a. J, b. D, c. V, d. H
c
DQ_001584
image
question_images/earth_parts_6014.png
earth_parts_6014.png
0.81425
DQ_001390
Which label shows the crust?
abc_question_images/earth_parts_14051.png
a. J, b. D, c. V, d. H
c
DQ_001672
image
question_images/earth_parts_649.png
earth_parts_649.png
0.812416
DQ_001390
Which label shows the crust?
abc_question_images/earth_parts_14051.png
a. J, b. D, c. V, d. H
c
T_0751
text
null
Crust, mantle, and core differ from each other in chemical composition. Its understandable that scientists know the most about the crust, and less about deeper layers (Figure 6.3). Earths crust is a thin, brittle outer shell. The crust is made of rock. This layer is thinner under the oceans and much thicker in mountain ranges.
0.558558
DQ_001390
Which label shows the crust?
abc_question_images/earth_parts_14051.png
a. J, b. D, c. V, d. H
c
T_0103
text
null
The earliest crust was probably basalt. It may have resembled the current seafloor. This crust formed before there were any oceans. More than 4 billion years ago, continental crust appeared. The first continents were very small compared with those today.
0.477739
DQ_001390
Which label shows the crust?
abc_question_images/earth_parts_14051.png
a. J, b. D, c. V, d. H
c
T_1557
text
null
The first crust was made of basaltic rock, like the current ocean crust. Partial melting of the lower portion of the basaltic crust began more than 4 billion years ago. This created the silica-rich crust that became the felsic continents.
0.474263
DQ_001390
Which label shows the crust?
abc_question_images/earth_parts_14051.png
a. J, b. D, c. V, d. H
c
T_0078
text
null
When rock layers are in the same place, its easy to give them relative ages. But what if rock layers are far apart? What if they are on different continents? What evidence is used to match rock layers in different places?
0.469579
DQ_001390
Which label shows the crust?
abc_question_images/earth_parts_14051.png
a. J, b. D, c. V, d. H
c
T_0164
text
null
You know that ocean water is salty. But do you know why? How salty is it?
0.462614
DQ_001390
Which label shows the crust?
abc_question_images/earth_parts_14051.png
a. J, b. D, c. V, d. H
c
T_0076
text
null
Rock layers may have another rock cutting across them, like the igneous rock in Figure 11.9. Which rock is older? To determine this, we use the law of cross-cutting relationships. The cut rock layers are older than the rock that cuts across them.
0.460593
DQ_001390
Which label shows the crust?
abc_question_images/earth_parts_14051.png
a. J, b. D, c. V, d. H
c
T_0777
text
null
Plates move apart at divergent plate boundaries. This can occur in the oceans or on land.
0.459428
DQ_001390
Which label shows the crust?
abc_question_images/earth_parts_14051.png
a. J, b. D, c. V, d. H
c
T_1447
text
null
Minerals are divided into groups based on chemical composition. Most minerals fit into one of eight mineral groups.
0.458874
DQ_001390
Which label shows the crust?
abc_question_images/earth_parts_14051.png
a. J, b. D, c. V, d. H
c
T_1698
text
null
How well soil forms and what type of soil forms depends on several different factors, which are described below.
0.454406
DQ_001390
Which label shows the crust?
abc_question_images/earth_parts_14051.png
a. J, b. D, c. V, d. H
c
T_1467
text
null
Organic substances are the carbon-based compounds made by living creatures and include proteins, carbohydrates, and oils. Inorganic substances have a structure that is not characteristic of living bodies. Coal is made of plant and animal remains. Is it a mineral? Coal is a classified as a sedimentary rock, but is not a mineral.
0.453072
DQ_001391
What is D in this image of the Earth?
abc_question_images/earth_parts_14051.png
a. Crust, b. Mantle, c. Solid inner core, d. Molten outer core
b
DQ_001389
image
abc_question_images/earth_parts_14051.png
earth_parts_14051.png
1
DQ_001391
What is D in this image of the Earth?
abc_question_images/earth_parts_14051.png
a. Crust, b. Mantle, c. Solid inner core, d. Molten outer core
b
DQ_001499
image
question_images/earth_parts_4051.png
earth_parts_4051.png
0.920881
DQ_001391
What is D in this image of the Earth?
abc_question_images/earth_parts_14051.png
a. Crust, b. Mantle, c. Solid inner core, d. Molten outer core
b
DQ_001537
image
question_images/earth_parts_540.png
earth_parts_540.png
0.826039
DQ_001391
What is D in this image of the Earth?
abc_question_images/earth_parts_14051.png
a. Crust, b. Mantle, c. Solid inner core, d. Molten outer core
b
DQ_001658
image
question_images/earth_parts_6028.png
earth_parts_6028.png
0.824482
DQ_001391
What is D in this image of the Earth?
abc_question_images/earth_parts_14051.png
a. Crust, b. Mantle, c. Solid inner core, d. Molten outer core
b
DQ_001476
image
question_images/earth_parts_4029.png
earth_parts_4029.png
0.819892
DQ_001391
What is D in this image of the Earth?
abc_question_images/earth_parts_14051.png
a. Crust, b. Mantle, c. Solid inner core, d. Molten outer core
b
DQ_001370
image
abc_question_images/earth_parts_10649.png
earth_parts_10649.png
0.818696
DQ_001391
What is D in this image of the Earth?
abc_question_images/earth_parts_14051.png
a. Crust, b. Mantle, c. Solid inner core, d. Molten outer core
b
DQ_001418
image
abc_question_images/earth_parts_16028.png
earth_parts_16028.png
0.817972
DQ_001391
What is D in this image of the Earth?
abc_question_images/earth_parts_14051.png
a. Crust, b. Mantle, c. Solid inner core, d. Molten outer core
b
DQ_001505
image
question_images/earth_parts_4058.png
earth_parts_4058.png
0.815934
DQ_001391
What is D in this image of the Earth?
abc_question_images/earth_parts_14051.png
a. Crust, b. Mantle, c. Solid inner core, d. Molten outer core
b
DQ_001584
image
question_images/earth_parts_6014.png
earth_parts_6014.png
0.81425
DQ_001391
What is D in this image of the Earth?
abc_question_images/earth_parts_14051.png
a. Crust, b. Mantle, c. Solid inner core, d. Molten outer core
b
DQ_001672
image
question_images/earth_parts_649.png
earth_parts_649.png
0.812416
DQ_001391
What is D in this image of the Earth?
abc_question_images/earth_parts_14051.png
a. Crust, b. Mantle, c. Solid inner core, d. Molten outer core
b
T_0572
text
null
Earth is the third planet out from the Sun, shown in Figure 25.14. Because it is our planet, we know a lot more about Earth than we do about any other planet. What are main features of Earth?
0.618986
DQ_001391
What is D in this image of the Earth?
abc_question_images/earth_parts_14051.png
a. Crust, b. Mantle, c. Solid inner core, d. Molten outer core
b
T_0748
text
null
If someone told you to figure out what is inside Earth, what would you do? How could you figure out what is inside our planet? How do scientists figure it out?
0.61657
DQ_001391
What is D in this image of the Earth?
abc_question_images/earth_parts_14051.png
a. Crust, b. Mantle, c. Solid inner core, d. Molten outer core
b
T_1311
text
null
Without the atmosphere, Earth would look a lot more like the Moon. Atmospheric gases, especially carbon dioxide (CO2 ) and oxygen (O2 ), are extremely important for living organisms. How does the atmosphere make life possible? How does life alter the atmosphere? The composition of Earths atmosphere.
0.581258
DQ_001391
What is D in this image of the Earth?
abc_question_images/earth_parts_14051.png
a. Crust, b. Mantle, c. Solid inner core, d. Molten outer core
b
T_0669
text
null
Most water on Earth, like the water in the oceans, contains elements. The elements are mixed evenly through the water. Water plus other substances makes a solution. The particles are so small that they will not come out when you filter the water. But the elements in water can form solid mineral deposits.
0.576014
DQ_001391
What is D in this image of the Earth?
abc_question_images/earth_parts_14051.png
a. Crust, b. Mantle, c. Solid inner core, d. Molten outer core
b
T_1196
text
null
One of the most unique features of planet Earth is its large Moon. Unlike the only other natural satellites orbiting an inner planet, those of Mars, the Moon is not a captured asteroid. Understanding the Moons birth and early history reveals a great deal about Earths early days.
0.564819
DQ_001391
What is D in this image of the Earth?
abc_question_images/earth_parts_14051.png
a. Crust, b. Mantle, c. Solid inner core, d. Molten outer core
b
T_1190
text
null
Earth formed at the same time as the other planets. The history of Earth is part of the history of the Solar System.
0.560633
DQ_001391
What is D in this image of the Earth?
abc_question_images/earth_parts_14051.png
a. Crust, b. Mantle, c. Solid inner core, d. Molten outer core
b
T_1593
text
null
Most of Earths water is stored in the oceans, where it can remain for hundreds or thousands of years.
0.560407
DQ_001391
What is D in this image of the Earth?
abc_question_images/earth_parts_14051.png
a. Crust, b. Mantle, c. Solid inner core, d. Molten outer core
b
T_4953
text
null
Like a bar magnet, planet Earth has north and south magnetic poles and a magnetic field over which it exerts magnetic force. Earths magnetic field is called the magnetosphere. You can see it in the Figure 1.1.
0.558847
DQ_001391
What is D in this image of the Earth?
abc_question_images/earth_parts_14051.png
a. Crust, b. Mantle, c. Solid inner core, d. Molten outer core
b
T_0157
text
null
When Earth formed 4.6 billion years ago, it would not have been called the water planet. There were no oceans then. In fact, there was no liquid water at all. Early Earth was too hot for liquid water to exist. Earths early years were spent as molten rock and metal.
0.557078
DQ_001391
What is D in this image of the Earth?
abc_question_images/earth_parts_14051.png
a. Crust, b. Mantle, c. Solid inner core, d. Molten outer core
b
T_0100
text
null
An atmosphere is the gases that surround a planet. The early Earth had no atmosphere. Conditions were so hot that gases were not stable.
0.556871
DQ_001392
Which label shows the crust?
abc_question_images/earth_parts_14058.png
a. R, b. S, c. F, d. A
c
DQ_001392
image
abc_question_images/earth_parts_14058.png
earth_parts_14058.png
1
DQ_001392
Which label shows the crust?
abc_question_images/earth_parts_14058.png
a. R, b. S, c. F, d. A
c
DQ_001505
image
question_images/earth_parts_4058.png
earth_parts_4058.png
0.950447
DQ_001392
Which label shows the crust?
abc_question_images/earth_parts_14058.png
a. R, b. S, c. F, d. A
c
DQ_001552
image
question_images/earth_parts_544.png
earth_parts_544.png
0.911135
DQ_001392
Which label shows the crust?
abc_question_images/earth_parts_14058.png
a. R, b. S, c. F, d. A
c
DQ_001356
image
abc_question_images/earth_parts_10544.png
earth_parts_10544.png
0.910103
DQ_001392
Which label shows the crust?
abc_question_images/earth_parts_14058.png
a. R, b. S, c. F, d. A
c
DQ_001416
image
abc_question_images/earth_parts_16025.png
earth_parts_16025.png
0.904086
DQ_001392
Which label shows the crust?
abc_question_images/earth_parts_14058.png
a. R, b. S, c. F, d. A
c
DQ_001645
image
question_images/earth_parts_6025.png
earth_parts_6025.png
0.901055
DQ_001392
Which label shows the crust?
abc_question_images/earth_parts_14058.png
a. R, b. S, c. F, d. A
c
T_3894
image
textbook_images/earth_as_a_magnet_22498.png
FIGURE 24.15 Charged particles flow through Earths liquid outer core, making Earth a giant magnet.
0.882155
DQ_001392
Which label shows the crust?
abc_question_images/earth_parts_14058.png
a. R, b. S, c. F, d. A
c
DQ_001584
image
question_images/earth_parts_6014.png
earth_parts_6014.png
0.880414
DQ_001392
Which label shows the crust?
abc_question_images/earth_parts_14058.png
a. R, b. S, c. F, d. A
c
DQ_001559
image
question_images/earth_parts_547.png
earth_parts_547.png
0.878891
DQ_001392
Which label shows the crust?
abc_question_images/earth_parts_14058.png
a. R, b. S, c. F, d. A
c
DQ_001546
image
question_images/earth_parts_543.png
earth_parts_543.png
0.876185
DQ_001392
Which label shows the crust?
abc_question_images/earth_parts_14058.png
a. R, b. S, c. F, d. A
c
T_0751
text
null
Crust, mantle, and core differ from each other in chemical composition. Its understandable that scientists know the most about the crust, and less about deeper layers (Figure 6.3). Earths crust is a thin, brittle outer shell. The crust is made of rock. This layer is thinner under the oceans and much thicker in mountain ranges.
0.558558
DQ_001392
Which label shows the crust?
abc_question_images/earth_parts_14058.png
a. R, b. S, c. F, d. A
c
T_0103
text
null
The earliest crust was probably basalt. It may have resembled the current seafloor. This crust formed before there were any oceans. More than 4 billion years ago, continental crust appeared. The first continents were very small compared with those today.
0.477739
DQ_001392
Which label shows the crust?
abc_question_images/earth_parts_14058.png
a. R, b. S, c. F, d. A
c
T_1557
text
null
The first crust was made of basaltic rock, like the current ocean crust. Partial melting of the lower portion of the basaltic crust began more than 4 billion years ago. This created the silica-rich crust that became the felsic continents.
0.474263
DQ_001392
Which label shows the crust?
abc_question_images/earth_parts_14058.png
a. R, b. S, c. F, d. A
c
T_0078
text
null
When rock layers are in the same place, its easy to give them relative ages. But what if rock layers are far apart? What if they are on different continents? What evidence is used to match rock layers in different places?
0.469579
DQ_001392
Which label shows the crust?
abc_question_images/earth_parts_14058.png
a. R, b. S, c. F, d. A
c
T_0164
text
null
You know that ocean water is salty. But do you know why? How salty is it?
0.462614
DQ_001392
Which label shows the crust?
abc_question_images/earth_parts_14058.png
a. R, b. S, c. F, d. A
c
T_0076
text
null
Rock layers may have another rock cutting across them, like the igneous rock in Figure 11.9. Which rock is older? To determine this, we use the law of cross-cutting relationships. The cut rock layers are older than the rock that cuts across them.
0.460593
DQ_001392
Which label shows the crust?
abc_question_images/earth_parts_14058.png
a. R, b. S, c. F, d. A
c
T_0777
text
null
Plates move apart at divergent plate boundaries. This can occur in the oceans or on land.
0.459428
DQ_001392
Which label shows the crust?
abc_question_images/earth_parts_14058.png
a. R, b. S, c. F, d. A
c
T_1447
text
null
Minerals are divided into groups based on chemical composition. Most minerals fit into one of eight mineral groups.
0.458874
DQ_001392
Which label shows the crust?
abc_question_images/earth_parts_14058.png
a. R, b. S, c. F, d. A
c
T_1698
text
null
How well soil forms and what type of soil forms depends on several different factors, which are described below.
0.454406
DQ_001392
Which label shows the crust?
abc_question_images/earth_parts_14058.png
a. R, b. S, c. F, d. A
c
T_1467
text
null
Organic substances are the carbon-based compounds made by living creatures and include proteins, carbohydrates, and oils. Inorganic substances have a structure that is not characteristic of living bodies. Coal is made of plant and animal remains. Is it a mineral? Coal is a classified as a sedimentary rock, but is not a mineral.
0.453072
DQ_001393
Which letter represents the Mantle?
abc_question_images/earth_parts_14058.png
a. A, b. S, c. F, d. R
a
DQ_001392
image
abc_question_images/earth_parts_14058.png
earth_parts_14058.png
1
DQ_001393
Which letter represents the Mantle?
abc_question_images/earth_parts_14058.png
a. A, b. S, c. F, d. R
a
DQ_001505
image
question_images/earth_parts_4058.png
earth_parts_4058.png
0.950447
DQ_001393
Which letter represents the Mantle?
abc_question_images/earth_parts_14058.png
a. A, b. S, c. F, d. R
a
DQ_001552
image
question_images/earth_parts_544.png
earth_parts_544.png
0.911135
DQ_001393
Which letter represents the Mantle?
abc_question_images/earth_parts_14058.png
a. A, b. S, c. F, d. R
a
DQ_001356
image
abc_question_images/earth_parts_10544.png
earth_parts_10544.png
0.910103
DQ_001393
Which letter represents the Mantle?
abc_question_images/earth_parts_14058.png
a. A, b. S, c. F, d. R
a
DQ_001416
image
abc_question_images/earth_parts_16025.png
earth_parts_16025.png
0.904086
DQ_001393
Which letter represents the Mantle?
abc_question_images/earth_parts_14058.png
a. A, b. S, c. F, d. R
a
DQ_001645
image
question_images/earth_parts_6025.png
earth_parts_6025.png
0.901055
DQ_001393
Which letter represents the Mantle?
abc_question_images/earth_parts_14058.png
a. A, b. S, c. F, d. R
a
T_3894
image
textbook_images/earth_as_a_magnet_22498.png
FIGURE 24.15 Charged particles flow through Earths liquid outer core, making Earth a giant magnet.
0.882155
DQ_001393
Which letter represents the Mantle?
abc_question_images/earth_parts_14058.png
a. A, b. S, c. F, d. R
a
DQ_001584
image
question_images/earth_parts_6014.png
earth_parts_6014.png
0.880414
DQ_001393
Which letter represents the Mantle?
abc_question_images/earth_parts_14058.png
a. A, b. S, c. F, d. R
a
DQ_001559
image
question_images/earth_parts_547.png
earth_parts_547.png
0.878891
DQ_001393
Which letter represents the Mantle?
abc_question_images/earth_parts_14058.png
a. A, b. S, c. F, d. R
a
DQ_001546
image
question_images/earth_parts_543.png
earth_parts_543.png
0.876185
DQ_001393
Which letter represents the Mantle?
abc_question_images/earth_parts_14058.png
a. A, b. S, c. F, d. R
a
T_1116
text
null
The two most important things about the mantle are: (1) it is made of solid rock, and (2) it is hot.
0.678404
DQ_001393
Which letter represents the Mantle?
abc_question_images/earth_parts_14058.png
a. A, b. S, c. F, d. R
a
T_0751
text
null
Crust, mantle, and core differ from each other in chemical composition. Its understandable that scientists know the most about the crust, and less about deeper layers (Figure 6.3). Earths crust is a thin, brittle outer shell. The crust is made of rock. This layer is thinner under the oceans and much thicker in mountain ranges.
0.550389
DQ_001393
Which letter represents the Mantle?
abc_question_images/earth_parts_14058.png
a. A, b. S, c. F, d. R
a
T_1855
text
null
Volcanoes erupt because mantle rock melts. This is the first stage in creating a volcano. Remember from the chapter Materials of Earths Crust that mantle may melt if temperature rises, pressure lowers, or water is added. Be sure to think about how and why melting occurs in the settings where there is volcanism mentioned in the next few concepts.
0.54951
DQ_001393
Which letter represents the Mantle?
abc_question_images/earth_parts_14058.png
a. A, b. S, c. F, d. R
a
T_1194
text
null
Lighter materials accumulated at the surface of the mantle to become the earliest crust. The first crust was probably basaltic, like the oceanic crust is today. Intense heat from the early core drove rapid and vigorous mantle convection so that crust quickly recycled into the mantle. The recycling of basaltic crust was so effective that no remnants of it are found today.
0.53603
DQ_001393
Which letter represents the Mantle?
abc_question_images/earth_parts_14058.png
a. A, b. S, c. F, d. R
a
T_1117
text
null
Scientists know that the mantle is made of rock based on evidence from seismic waves, heat flow, and meteorites. The properties fit the ultramafic rock peridotite, which is made of the iron- and magnesium-rich silicate minerals (Figure 1.1). Peridotite is rarely found at Earths surface.
0.534397
DQ_001393
Which letter represents the Mantle?
abc_question_images/earth_parts_14058.png
a. A, b. S, c. F, d. R
a
T_1298
text
null
Different factors play into the composition of a magma and the rock it produces.
0.528814
DQ_001393
Which letter represents the Mantle?
abc_question_images/earth_parts_14058.png
a. A, b. S, c. F, d. R
a
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All known matter can be divided into a little more than 100 different substances called elements.
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DQ_001393
Which letter represents the Mantle?
abc_question_images/earth_parts_14058.png
a. A, b. S, c. F, d. R
a
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Why do different states of matter have different properties? Its because of differences in energy at the level of atoms and molecules, the tiny particles that make up matter.
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DQ_001393
Which letter represents the Mantle?
abc_question_images/earth_parts_14058.png
a. A, b. S, c. F, d. R
a
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Compare and contrast the basic properties of matter, such as mass and volume.
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Which letter represents the Mantle?
abc_question_images/earth_parts_14058.png
a. A, b. S, c. F, d. R
a
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To understand minerals, we must first understand matter. Matter is the substance that physical objects are made of.
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DQ_001394
What is the most external layer of earth?
abc_question_images/earth_parts_14058.png
a. A, b. R, c. S, d. F
d
DQ_001392
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earth_parts_14058.png
1
DQ_001394
What is the most external layer of earth?
abc_question_images/earth_parts_14058.png
a. A, b. R, c. S, d. F
d
DQ_001505
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earth_parts_4058.png
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DQ_001394
What is the most external layer of earth?
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a. A, b. R, c. S, d. F
d
DQ_001552
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earth_parts_544.png
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DQ_001394
What is the most external layer of earth?
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a. A, b. R, c. S, d. F
d
DQ_001356
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abc_question_images/earth_parts_10544.png
earth_parts_10544.png
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DQ_001394
What is the most external layer of earth?
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a. A, b. R, c. S, d. F
d
DQ_001416
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earth_parts_16025.png
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DQ_001394
What is the most external layer of earth?
abc_question_images/earth_parts_14058.png
a. A, b. R, c. S, d. F
d
DQ_001645
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earth_parts_6025.png
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DQ_001394
What is the most external layer of earth?
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a. A, b. R, c. S, d. F
d
T_3894
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FIGURE 24.15 Charged particles flow through Earths liquid outer core, making Earth a giant magnet.
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DQ_001394
What is the most external layer of earth?
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a. A, b. R, c. S, d. F
d
DQ_001584
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question_images/earth_parts_6014.png
earth_parts_6014.png
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DQ_001394
What is the most external layer of earth?
abc_question_images/earth_parts_14058.png
a. A, b. R, c. S, d. F
d
DQ_001559
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question_images/earth_parts_547.png
earth_parts_547.png
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DQ_001394
What is the most external layer of earth?
abc_question_images/earth_parts_14058.png
a. A, b. R, c. S, d. F
d
DQ_001546
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question_images/earth_parts_543.png
earth_parts_543.png
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DQ_001394
What is the most external layer of earth?
abc_question_images/earth_parts_14058.png
a. A, b. R, c. S, d. F
d
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When rock layers are in the same place, its easy to give them relative ages. But what if rock layers are far apart? What if they are on different continents? What evidence is used to match rock layers in different places?
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DQ_001394
What is the most external layer of earth?
abc_question_images/earth_parts_14058.png
a. A, b. R, c. S, d. F
d
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Crust, mantle, and core differ from each other in chemical composition. Its understandable that scientists know the most about the crust, and less about deeper layers (Figure 6.3). Earths crust is a thin, brittle outer shell. The crust is made of rock. This layer is thinner under the oceans and much thicker in mountain ranges.
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DQ_001394
What is the most external layer of earth?
abc_question_images/earth_parts_14058.png
a. A, b. R, c. S, d. F
d
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How well soil forms and what type of soil forms depends on several different factors, which are described below.
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DQ_001394
What is the most external layer of earth?
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a. A, b. R, c. S, d. F
d
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Freshwater below Earths surface is called groundwater. The water infiltrates, or seeps down into, the ground from the surface. How does this happen? And where does the water go?
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DQ_001394
What is the most external layer of earth?
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a. A, b. R, c. S, d. F
d
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The three outer layers of the Sun are its atmosphere.
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DQ_001394
What is the most external layer of earth?
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a. A, b. R, c. S, d. F
d
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Most of Earths water is stored in the oceans, where it can remain for hundreds or thousands of years.
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DQ_001394
What is the most external layer of earth?
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a. A, b. R, c. S, d. F
d
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Despite these problems, there is a rich fossil record. How does an organism become fossilized?
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DQ_001394
What is the most external layer of earth?
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a. A, b. R, c. S, d. F
d
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Without the atmosphere, Earth would look a lot more like the Moon. Atmospheric gases, especially carbon dioxide (CO2 ) and oxygen (O2 ), are extremely important for living organisms. How does the atmosphere make life possible? How does life alter the atmosphere? The composition of Earths atmosphere.
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DQ_001394
What is the most external layer of earth?
abc_question_images/earth_parts_14058.png
a. A, b. R, c. S, d. F
d
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Water on Earth, such as the water in the oceans, contains chemical elements mixed into a solution. Various processes can cause these elements to combine to form solid mineral deposits.
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DQ_001394
What is the most external layer of earth?
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a. A, b. R, c. S, d. F
d
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Earth formed at the same time as the other planets. The history of Earth is part of the history of the Solar System.
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