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ocean water is made of hydrogen and oxygen & oxygen is more common than hydrogen on earth -> oxygen is the most common element found in the compounds that make up ocean water | 1 |
petroleum is a kind of fossil fuel & forming fossil fuels requires deposition and burial of decaying vegetation -> forming the fossil fuel petroleum requires deposition and burial of decaying vegetation | 1 |
forming the fossil fuel petroleum requires deposition and burial of decaying vegetation & vegetation is a part of the biosphere & fossil fuel is a part of the lithosphere -> the formation of petroleum cycles from biosphere to lithospehre | 1 |
soil is permeable & if something is permeable , then the water will flow through something easily -> water will flow through soil easily | 1 |
brown is a kind of color & color of the soil can be used to indicate the soil component & high humus content causes the soil to be brown -> if the soil has high humus content, then the soil will be brown in color | 1 |
earthworms create tunnels in soil & tunnels in soil loosen that soil -> earthworms can loosen the soil | 1 |
earthworms can loosen the soil & the looseness of soil increases the ability of water to enter the soil & the looseness of soil increases the amount of oxygen in that soil -> earthworms can help increase the amount of water and oxygen in the soil | 1 |
sand drains water quickly & if something drains water quickly , then that something will have little capacity to hold water -> sand has little capacity to hold water | 1 |
high humus content causes the soil to be brown & humus is a source of nutrients in soil -> soil with high nutrients content will be brown | 1 |
soil with high nutrients content will be brown & color of the soil can be used to indicate the soil component -> brown color can be used to indicate the soil is high in nutrients | 1 |
a plant requires nutrients to grow & soil contains nutrients for plants -> plants use the nutrients in soil to grow | 1 |
using resources decreases those resources & nutrients are a kind of resource -> using nutrients decreases those nutrients | 1 |
plants use the nutrients in soil to grow & using nutrients decreases those nutrients -> plants can decrese the nutrients in soil | 1 |
a rainforest is a kind of forest & a forest contains lots of plants / trees -> a rainforest contains lots of plants | 1 |
plants can decrese the nutrients in soil & a rainforest contains lots of plants -> the soil in a rainforest can be low in nutrients | 1 |
decomposition is when a decomposer recycles nutrients from dead organisms to the soil by eating those dead organisms & decomposition increases the amount of nutrients / nitrogen in the soil -> decomposers can increase the amount of nutrients in the soil | 1 |
decomposers can increase the amount of nutrients in the soil & an earthworm is a kind of decomposer & topsoil is a kind of soil -> earthworms can increase the amount of nutrients in the topsoil | 1 |
potassium is a kind of nutrient for plant growth & wildfire removes the nutrients in soil sometimes & nitrogen is a kind of nutrient for plant growth & phosphorus is a kind of nutrient for plant growth -> wildfire can remove the soil nutrients such as phosphorus, nitrogen, and potassium from soil | 1 |
wildfire can remove the soil nutrients such as phosphorus, nitrogen, and potassium from soil & if the nutrients in soil is removed , then the carrying capacity of soil for plant will be reduced -> wildfire can cause the carrying capacity of soil for plant to be reduced | 1 |
decaying plant is a kind of organic matter & organic matter is a source of nutrients in soil -> decaying plant is a source of nutrients in soil | 1 |
decaying plant is a source of nutrients in soil & fertile soil has a high number of nutrients -> decaying plant can make the soil fertile | 1 |
rain is a kind of precipitation & a storm is a source of precipitation -> a storm is a source of rain | 1 |
a storm is a source of rain & a thunderstorm is a kind of storm -> a thunderstorm is a source of rain | 1 |
a thunderstorm is a source of rain & cold fronts cause thunderstorms as they pass by -> cold fronts can cause thudnerstorms of rain as they pass by | 1 |
prevailing westerlies are prevailing winds from the west toward the east in the middle latitudes between 30 and 60 degrees latitude & united states are located in the middle latitudes between 30 and 60 degrees latitude -> prevailing westerlies are prevailing winds that move from west to east across the united states | 1 |
prevailing westerlies are prevailing winds that move from west to east across the united states & wind can make air masses to move in the same direction -> the prevailing westerlies move air masses from west to east across the united states | 1 |
the prevailing westerlies move air masses from west to east across the united states & jet streams may deflect the air masses moved by the prevailing westerlies -> the prevailing westerlies move air masses from west to east accross the united states but may be deflected by the jet streams | 1 |
a storm is a source of precipitation & snow is a kind of precipitation & rain is a kind of precipitation -> a storm is a source of rain / snow | 1 |
a storm is a source of rain / snow & a thunderstorm is a kind of storm -> a thunderstorm is a source of rain / snow | 1 |
a thunderstorm is a source of rain / snow & cold fronts cause thunderstorms as they pass by -> cold fronts will cause rain / snow as they pass by | 1 |
the ground radiates solar energy into air & solar energy can warm up the air -> the solar energy radiated by the ground can warm up air | 1 |
if gas is heated then that gas will rise & air is a kind of gas -> if air is heated then air will rise | 1 |
the solar energy radiated by the ground can warm up air & if air is heated then air will rise -> the solar energy radiated by the ground can cause the air to rise | 1 |
the solar energy radiated by the ground can cause the air to rise & travelling up a mountain side is a kind of rising -> the solar energy radiated by the ground can cause the air to travel up a mountain side | 1 |
the air mass over the ocean is warm & the air mass formed close to the ocean is humid in moisture -> the air mass over the ocean is warm and humid | 1 |
unstable air mass can cause a thunderstorm & warm and humid air masses are usually unstable -> warm and humid air masses can cause thunderstorms | 1 |
the air mass over the ocean is warm and humid & warm and humid air masses can cause thunderstorms -> the warm and humid air mass over the ocean can cause thunderstorms | 1 |
the warm and humid air mass over the ocean can cause thunderstorms & thunderstorms are a source of rainfall -> the warm and humid air mass over the ocean can cause rainfall | 1 |
mountains can cause the water in the air mass to condense & mountain is a kind of geographic obstacles -> mountain is the geographic obstacle that can cause the water in the air mass to condense | 1 |
a fly is a kind of insect & rolling in mud can be used to avoid insect bites by an animal & a moose is a kind of animal -> rolling in mud can be used to avoid fly bites by a moose | 1 |
rolling in mud can be used to avoid fly bites by a moose & rolling in mud is a learned behavior -> a moose rolling in mud to avoid fly bites is a kind of learned behavior | 1 |
snow is a kind of precipitation & grey clouds are a source of precipitation -> grey clouds can be a source of snow | 1 |
condensation causes clouds to form & if something causes a process then that something is required for that process -> condensation is required for clouds to form | 1 |
when warm air mass passes over cold air mass, the water vapor in the warm air mass will condense & a warm front is when warm air mass passes over a cold air mass -> a warm front will cause the water vapor to condense | 1 |
a warm front will cause the water vapor to condense & clouds are formed by water vapor condensing -> a warm front causes clouds to form | 1 |
a warm front causes clouds to form & cloudy means the presence of clouds in the sky -> a warm front causes the the sky to be cloudy | 1 |
a warm front causes clouds to form & clouds produce rain -> a warm front causes it to rain | 1 |
a warm front causes it to rain & if it is raining, then the weather will be rainy -> a warm front causes the weather to be rainy | 1 |
a warm front causes the the sky to be cloudy & a warm front causes the weather to be rainy -> a warm front causes cloudy and rainy weather | 1 |
clouds are formed by water vapor rising into colder regions of the atmosphere and condensing & water vapor is a kind of gas -> the condensation of water vapor causes cloud to form | 1 |
temperature is a measure of heat energy & condensing means a substance changes from a gas into a liquid by decreasing heat energy -> decreased temperature will cause a substance to condense from a gas to a liquid | 1 |
decreased temperature will cause a substance to condense from a gas to a liquid & water vapor is water in gas state & water droplets are water in liquid state -> decreased temperature will cause water vapor to condense to water droplets | 1 |
temperature is a property of weather & the properties of something are used for describing that something & sky conditions are a property of weather -> sky and temperature are used to describe weather | 1 |
the sun is the source of solar energy called sunlight & solar energy causes the weather patterns -> the sun causes the weather patterns | 1 |
erosion is when wind transports sediments & sand is a kind of sediment & deposition is when wind deposits sediments -> wind erosion and deposition can transport and deposit sand | 1 |
wind erosion and deposition can transport and deposit sand & sand dunes are formed by the wind transporting and depositing sand -> sand dunes are formed by wind erosion and deposition | 1 |
a landslide is when water / gravity rapidly moves rocks / soil downhill especially after a rain storm & erosion / storms can cause a landslide -> erosion causes rocks and soil to move downhill | 1 |
erosion causes rocks and soil to move downhill & a mountain is made of rocks / soil -> erosion can cause the rocks and soil on a mountain to move downhill | 1 |
erosion is when moving water transports sediments from one place to another place for a long distance & flowing water is a kind of moving water -> flowing water can cause erosion | 1 |
flood is the water that overflows the river bank & a riverbank is made of soil -> when it floods, water will overflow the soil on the river bank | 1 |
when it floods, water will overflow the soil on the river bank & a flood is a kind of moving water & soil erosion is when moving water moves soil from fields / environments -> a flood overflowing the riverbank will cause soil erosion | 1 |
sand dunes / arches are formed by the wind transporting and depositing sand & erosion is when wind transports sediments from one place to another place for a long distance -> wind erosion can form sand dunes and arches | 1 |
weather is a source of wind and water for weathering & sometimes weathering smooths / rounds rocks -> weathering by wind and water sometimes smooths rocks | 1 |
erosion is when wind / moving water transports sediments from one place to another place for a long distance & sand is a kind of sediment -> erosion can transport sand from one place to another place | 1 |
erosion can transport sand from one place to another place & new sand is brought from other places and spread on the beaches -> new sand is brought to the beach by erosion | 1 |
erosion usually occurs over a period of many years which is considered a long time & water causes soil and rock erosion -> water will cause erosion to the rock over a long period of time | 1 |
grass is a kind of plant & in the erosion process roots of plants are an inhibitor & the grasses are removed from the land -> the inhibitor of the erosion process is removed | 1 |
the inhibitor of the erosion process is removed & the grasses are removed from the land & removing an inhibitor of a process causes that process -> removal of grasses from the land will cause erosion | 1 |
wind and rain cause erosion & soil erosion is when wind and moving water moves soil from fields / environments -> wind and rain can cause soil erosion | 1 |
removal of grasses from the land will cause erosion & wind and rain can cause soil erosion -> removal of grasses from the land will cause wind and rain to erode the soil | 1 |
soil loss causes grooves in soil & soil erosion means soil loss through wind / water / animals -> soil erosion caused by water will cause grooves in soil | 1 |
soil erosion caused by water will cause grooves in soil & rainwater is a kind of water -> rainwater can cause grooves in soil | 1 |
rainwater can cause grooves in soil & a riverbank is made of soil -> rainwater can cause grooves in a riverbank | 1 |
rocks interacting with moving water over long periods of time causes weathering & sometimes weathering smooths rocks -> moving water interacting with rocks would smooth the rocks | 1 |
moving water interacting with rocks would smooth the rocks & waves are made of moving water -> waves interacting with rocks can smooth rocks | 1 |
waves interacting with rocks can smooth rocks & a pebble is a kind of small rock -> waves interacting with pebbles can smooth pebbles | 1 |
rain causes erosion & erosion decreases the amount of nutrients in soil -> rain can decrease the amount of nutrients in soil | 1 |
rain can decrease the amount of nutrients in soil & decreasing something can cause something to be removed -> nutrients in soil can be removed by rain | 1 |
nutrients in soil can be removed by rain & removing something is a kind of change & rain is a kind of natural process -> an example of a soil change caused by natural processes is nutrients in soil being removed by rain | 1 |
erosion sometimes decreases the amount of nutrients in soil & rain causes erosion -> rain can decrease the amount of nutrients in soil | 1 |
abrasion changes rocks from rough into smooth and round & abrasion is a kind of weathering -> abrasion is the kind of weathering that would change the rocks from rough into smooth and rough | 1 |
a mountain range contains mountains & a mountain is made of rocks -> a mountain range contains mountains made of rocks | 1 |
a mountain range contains mountains made of rocks & sometimes weathering rounds rocks -> weathering can round the rocks in the mountain range | 1 |
roots hold soil in place & if soil is held in place, then soil erosion can be prevented -> roots help prevent soil erosion by holding soil in place | 1 |
roots help prevent soil erosion by holding soil in place & removing trees will decrease the roots in the soil -> removing trees will increase soil erosion by decreasing the roots holding the soil in place | 1 |
when water freezes , that water expands & if there is a crack in a rock, then water can get into the crack -> if water freezes in the crack of the rock, then water will expand in the crack | 1 |
if water freezes in the crack of the rock, then water will expand in the crack & if water expands in a crack in a rock, then the rock will break apart -> if water freezes in the crack of the rock, then the rock will break apart by water expanding when it freezes | 1 |
soil is formed by weathering & weathering means breaking down rocks from a larger whole into smaller pieces -> soil is formed by breaking down rocks from a larger whole into smaller pieces | 1 |
scraping an object may cause small particles to break off of that object & a rock is a kind of object -> scraping a rock may cause small particles to break off the whole rock | 1 |
scraping a rock may cause small particles to break off the whole rock & glacier may scrape rocks when it moves -> glacier can scrape a rock and cause small particles to break off the whole rock | 1 |
very small rocks / minerals are kinds of of small particles & soil is made of very small rocks / minerals -> soil is made of small particles of rock / minerals | 1 |
glacier can scrape a rock and cause small particles to break off the whole rock & soil is made of small particles of rock / minerals -> the small particles of a rock scraped by the glacier can make up soil | 1 |
rocks interacting with wind and moving water over long periods of time causes weathering & weathering means breaking down rocks from a larger whole into smaller pieces by weather / mechanical means -> interacting with wind and moving water causes the rocks to be broken down from a larger whole into smaller pieces | 1 |
a boulder is a kind of rock & weathering means breaking down rocks from a larger whole into smaller pieces by mechanical means -> breaking down a boulder from a larger whole into smaller pieces is an example of weathering | 1 |
breaking down a boulder from a larger whole into smaller pieces is an example of weathering & a crack is formed by breaking the whole -> cracks will be formed by the weathering of a boulder | 1 |
cycles of freezing and thawing water cause ice wedging & ice wedging is a kind of mechanical weathering -> cycles of freezing and thawing water cause mechanical weathering | 1 |
cycles of freezing and thawing water cause mechanical weathering & mechanical weathering means breaking down rocks from a larger whole into smaller pieces by mechanical means -> rocks will be broken down from a larger whole into smaller pieces by cycles of freezing and thawing water | 1 |
cycles of freezing and thawing water cause ice wedging & ice wedging is a kind of mechanical weathering -> cycles of freezing and thawing water cause mechanical weathering | 1 |
cycles of freezing and thawing water cause mechanical weathering & mechanical weathering means breaking down rocks from a larger whole into smaller pieces by mechanical means -> cycles of freezing and thawing water will break down rocks from larger whole into smaller pieces | 1 |
ice wedging is a kind of mechanical weathering & cycles of freezing and thawing water cause ice wedging -> cycles of freezing and thawing water cause mechanical weathering | 1 |
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