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coal is used for generating heat by burning & to generate something means to produce something -> coal is used for producing heat by burning
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burning wood is used to produce heat & a tree contains wood -> burning trees is used to produce heat
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coal is used for producing heat by burning & burning trees is used to produce heat -> coal and trees are both used for producing heat
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burning fossil fuels is a source of air pollution & coal is a kind of fossil fuel -> burning coal is a source of air pollution
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coal is used for generating heat by burning & coal is used to produce electricity by burning in coal-fire power stations -> using coal usually requires burning coal
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burning coal is a source of air pollution & using coal usually requires burning coal -> using coal causes air polluiton
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burning converts chemical energy into thermal energy & coal is used for generating heat by burning -> burning coal converts chemical energy to thermal energy
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renewable is the opposite of nonrenewable & something cannot have two opposite properties -> something cannot be renewable and nonrenewable
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something cannot be renewable and nonrenewable & fossil fuels are a nonrenewable resource -> fossil fuels cannot be renewable
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renewable is a property of resources & if something cannot have a certain property then something else with that property is not that something -> if one resource cannot be renewable then another resource that is renweable is not that one resource
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fossil fuels cannot be renewable & if one resource cannot be renewable then another resource that is renweable is not that one resource -> if something is renewable then that something is not a fossil fuel
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if something is renewable then that something is not a fossil fuel & wood is a renewable resource -> wood is not a fossil fuel
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fossil fuels are a nonrenewable resource & nonrenewable resources will eventually be depleted -> fossil fuels will eventually be depleted
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remains are parts of a dead organism & fossil fuels / fossils are formed from dead organisms over time -> fossil fuels are formed from the remains of organisms
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fossil fuels are formed from the remains of organisms & an organism is a living thing -> fossil fuels are formed from the remains of living things
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how long something lasts is a measure of how long that something is available & as the use of a resource decreases , the length of time that resource being available will increases -> as the use of a resource decreases, the length of time that that resource will last increases
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as the use of a resource decreases, the length of time that that resource will last increases & to last longer means the length of time that something lasts increases -> decreasing the use of a resource causes that resource to last longer
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oil is used for producing electricity0 & fossil fuels are a kind of energy resource -> a fossil fuel supply is a kind of resource
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decreasing the use of a resource causes that resource to last longer & a fossil fuel supply is a kind of resource -> decreasing the use of a fossil fuel supply causes that fossil fuel supply to last longer
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oil is used for producing electricity & oil is a kind of fossil fuel -> fossil fuel is used for producing electricity
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fossil fuel is used for producing electricity & as the use of something decreases, the use of things used to produce that something decreases -> as the use of electricity decreases, the use of fossil fuels decreases
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oil is used for producing electricity1 & as the use of something decreases , the use of the source of that something will decrease -> as the use of something decreases, the use of the supply of that something decreases
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as the use of electricity decreases, the use of fossil fuels decreases & as the use of something decreases, the use of the supply of that something decreases -> as the use of electricity decreases, the use of a fossil fuel supply decreases
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decreasing the use of a fossil fuel supply causes that fossil fuel supply to last longer & as the use of electricity decreases, the use of a fossil fuel supply decreases -> decreasing the use of electricity causes a fossil fuel supply to last longer
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decreasing the use of electricity causes a fossil fuel supply to last longer & to decrease something means to reduce something -> reducing the use of electricity causes the fossil fuel supply to last longer
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burning something is a kind of action & if something occurs by performing an action, then that action is required for that something to occur -> if something occurs by burning something else, then burning that something else is required for that something to occur
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if something occurs by burning something else, then burning that something else is required for that something to occur & natural gas is used for generating electricity by burning in a power plant -> using natural gas to generate electricity requires burning that natural gas
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using natural gas to generate electricity requires burning that natural gas & fossil fuels are a nonrenewable resource1 -> using fossil fuels to generate electricity requires burning fossil fuels
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using fossil fuels to generate electricity requires burning fossil fuels -> using fossil fuels to generate power requires burning fossil fuels
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fossil fuels are a nonrenewable resource2 & electrical power is a kind of power -> electricity is a kind of power
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using fossil fuels to generate power requires burning fossil fuels & electricity is a kind of power & fossil fuels are a nonrenewable resource0 -> using fossil fuels to generate power produces greenhouse gasses
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using fossil fuels to generate power produces greenhouse gasses & fossil fuels are a nonrenewable resource -> using nonrenewable resources to generate power produces greenhouse gasses
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using nonrenewable resources to generate power produces greenhouse gasses & if something causes an increase in something else then that something produces that something else -> using nonrenewable resources to generate power increases greenhouse gasses
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using nonrenewable resources to generate power increases greenhouse gasses & if something increases something else then decreasing that something will decrease that something else -> decreasing the use of nonrenewable resources to generate power will decrease greenhouse gasses
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decreasing the use of nonrenewable resources to generate power will decrease greenhouse gasses & as the use of renewable resources increases , use of nonrenewable resources will decrease -> if something occurs by burning something else, then burning that something else is required for that something to occur0: increasing the use of renewable resources to generate power will decrease greenhouse gasses
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if something occurs by burning something else, then burning that something else is required for that something to occur0 & to decrease something means to reduce that something -> using renewable resources to generate power reduces greenhouse gases
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to produce something means to form something & a source of something emits / produces / generates / provides that something -> a source of something forms that something
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a source of something forms that something & sulfur dioxide is formed by the combustion of fossil fuels -> the combustion of fossil fuels is a source of sulfur dioxide
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energy formed by magma heating earth's crust is emitted along fault lines & geothermal energy is formed by magma heating earth 's crust -> geothermal energy is emitted along fault lines
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geothermal energy is emitted along fault lines & a source of something emits / produces / generates / provides that something -> fault lines are a source of geothermal energy
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nevada contains many active fault lines & if something contains many of something else then that something else is common in that something -> active fault lines are common in nevada
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fault lines are a source of geothermal energy & active fault lines are common in nevada -> geothermal energy is common in nevada
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geothermal energy is common in nevada & geothermal energy is a renewable resource -> geothermal energy is a common renewable resource in nevada
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if something is emitted at a location then that something can be found at that location & energy formed by magma heating earth's crust is emitted along fault lines -> energy formed by magma heating earth's crust can be found along fault lines
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energy formed by magma heating earth's crust can be found along fault lines & geothermal energy is formed by magma heating earth 's crust -> geothermal energy can be found along fault lines
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geothermal energy can be found along fault lines & nevada contains many active fault lines -> geothermal energy can be found in nevada
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geothermal energy can be found in nevada & geothermal energy is a renewable resource -> geothermal energy is a renewable resource that can be found in nevada
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metal is a nonrenewable resource & copper is a kind of metal -> copper is a kind of nonrenewable resource
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an example of heating something is heating a building & a source of heat can be used to heat something -> a source of heat can be used to heat a building
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a source of heat can be used to heat a building & natural gas is a source of heat by burning -> natural gas is used for heating building by burning
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natural gas is used for heating building by burning & a home is a kind of building -> natural gas is used for heating homes by burning
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fossil fuels are a nonrenewable resource & natural gas is a kind of fossil fuel -> natural gas is a nonrenewable resource
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natural gas is used for heating homes by burning & natural gas is a nonrenewable resource -> natural gas is a nonrenewable resource that is used for heating homes
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gasoline is a kind of fuel & fuel is a kind of resource -> gasoline is a kind of resource
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gasoline is a kind of resource & as the use of a resource decreases , the length of time that resource being available will increases -> as the use of gasoline decreases, the length of time that gasoline is available will increase
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as the use of gasoline decreases, the length of time that gasoline is available will increase & as mileage per gallon of gasoline increases , the amount of gasoline used will decrease -> as mileage per gallon of gasoline increases, the length of time that gasoline is available will increase
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as mileage per gallon of gasoline increases, the length of time that gasoline is available will increase & oil is a source of gasoline -> as mileage per gallon of oil increases, the amount of time that oil is available will increase
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as mileage per gallon of oil increases, the amount of time that oil is available will increase & to increase something can mean to extend somthing -> as mileage per gallon of oil increases, the amount of time that oil is available will be extended
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as the use of alternative fuels increases , the use of gasoline will decrease & if a certain something decreases the use of a resource then that certain something uses less of that resource than a regular something -> something that uses alternative fuels uses less gasoline than a regular something
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electricity is a kind of alternative fuel & electricity is a kind of alternative fuel3 -> an electrical device uses alternative fuel to operate
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an electrical device uses alternative fuel to operate & an electric motor is a kind of electrical device -> an electric motor uses alternative fuel to operate
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something that uses alternative fuels uses less gasoline than a regular something & an electric motor uses alternative fuel to operate -> a something that uses an electric motor uses less gasoline than a regular something
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electricity is a kind of alternative fuel0 & an electric car is a kind of machine -> an electric car is a kind of machine that contains an electric motor
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electricity is a kind of alternative fuel1 & if a machine contains a part then that machine uses that part -> if a machine contains an electrical device then that machine uses that electrical device
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if a machine contains an electrical device then that machine uses that electrical device & an electric motor is a kind of electrical device -> if a machine contains an electric motor then that machine uses that electric motor
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an electric car is a kind of machine that contains an electric motor & if a machine contains an electric motor then that machine uses that electric motor -> an electric car uses an electric motor
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a something that uses an electric motor uses less gasoline than a regular something & an electric car uses an electric motor -> electric car uses less gasoline than a regular car
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electricity is a kind of alternative fuel2 & using a gasoline engine requires burning gasoline -> something that uses alternative fuels uses less gasoline than a regular something0: using gasoline is a source of pollution
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something that uses alternative fuels uses less gasoline than a regular something0 & pollution has a negative impact on the environment / air quality / water quality / society -> something that uses alternative fuels uses less gasoline than a regular something1: using gasoline has a negative impact on the environment / air quality / water quality / society
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something that uses alternative fuels uses less gasoline than a regular something1 & using less of something negative has a positive impact -> something that uses alternative fuels uses less gasoline than a regular something2: using less gasoline has a positive impact on the environment / air quality / water quality / society
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something that uses alternative fuels uses less gasoline than a regular something2 & electric car uses less gasoline than a regular car -> an electric car has a positive impact on the environment / air quality / water quality / society by using less gasoline
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fossil fuels / fossils forming occurs over a period of 300000000 years which is considered a very long time to a human & fossil fuels / fossils are formed from dead organisms over time -> fossil fuels are formed from dead organisms over a very long period of time
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fossil fuels are formed from dead organisms over a very long period of time & if something formed from something else over a very long period of time then that something else existed a very long time ago -> fossil fuels are formed from dead organisms from a very long time ago
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fossil fuels are formed from dead organisms from a very long time ago & prehistoric means a very long time ago -> fossil fuels are formed from dead prehistoric organisms
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if a living thing dies then that living thing is dead & a living thing is an organism -> if an organism dies then that organism is dead
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if an organism dies then that organism is dead & dead organisms decay -> if an organism dies then that organism is dead and decays
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fossil fuels are formed from dead prehistoric organisms & if an organism dies then that organism is dead and decays -> fossil fuels are formed from prehistoric organisms dying and decaying
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fossil fuels are formed from prehistoric organisms dying and decaying & an animal is a kind of organism -> fossil fuels are formed from prehistoric animals dying and decaying
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fossil fuels are formed from prehistoric animals dying and decaying & oil is a kind of fossil fuel -> oil is formed from prehistoric animals dying and decaying
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if something comes from something else then that something else is a source of that something & oil is a source of gasoline -> gasoline comes from oil
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gasoline comes from oil & oil is a nonrenewable resource -> gasoline comes from a nonrenewable resource
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gasoline comes from a nonrenewable resource & a nonrenewable resource is limited in supply -> gasoline comes from a resource that is limited in supply
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for something to be replaced means for something else to be used instead of that something & if a resource is limited in supply then that resource needs to be replaced -> if a resource is limited in supply then something else needs to be used instead of that resource
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gasoline comes from a resource that is limited in supply & if a resource is limited in supply then something else needs to be used instead of that resource & an automobile is a kind of vehicle0 -> something else must be used instead of gasoline because gasoline comes from a limited resource
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an automobile is a kind of vehicle & vehicles usually require gasoline to operate -> automobiles usually require gasoline to operate
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automobiles usually require gasoline to operate & alternative fuels are being used in some automobiles -> alternative fuels are being used in some automobiles instead of gasoline
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something else must be used instead of gasoline because gasoline comes from a limited resource & alternative fuels are being used in some automobiles instead of gasoline -> alternative fuels are being used instead of gasoline in automobiles because gasoline comes from a limited resource
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fossil fuels are a nonrenewable resource & fossil fuels / fossils forming occurs over a period of 300000000 years which is considered a very long time to a human -> nonrenewable resources forming occurs over a period of 300000000 years which is considered a very long time to a human
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two million or more years means millions of years & 300000000 years equals three hundred million years -> 300000000 years means millions of years
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nonrenewable resources forming occurs over a period of 300000000 years which is considered a very long time to a human & 300000000 years means millions of years -> nonrenewable resources forming occurs over a period of millions of years
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years are a kind of unit for measuring time & how long something takes is a kind of measurement of time -> how many years something takes is a kind of measurement of time
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how many years something takes is a kind of measurement of time & a period is a kind of measurement of time -> how many years something takes is a kind of period
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nonrenewable resources forming occurs over a period of millions of years & how many years something takes is a kind of period -> nonrenewable resources forming can take millions of years
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a source of something emits / produces / generates / provides that something & using biomass to produce energy is a source of pollution -> using biomass to produce energy emits pollution
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using biomass to produce energy emits pollution & if something emits something else then that something increases the amount of that something else -> using biomass to produce energy increases the amount of pollution
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using biomass to produce energy increases the amount of pollution & biomass is a renewable resource -> biomass is a kind of renewable resource that increases pollution when used to produce energy
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a solar panel is a kind of object & if an object converts something into something else, then that object uses that something to produce that something else -> if a solar panel converts something into something else, then that solar panel uses that something to produce that something else
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if a solar panel converts something into something else, then that solar panel uses that something to produce that something else & a solar panel converts sunlight / solar energy into electrical energy / electricity -> a solar panel uses solar energy to produce electrical energy
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a solar panel uses solar energy to produce electrical energy & solar energy is a renewable / inexhaustible resource -> a solar panel uses a renewable resource to produce electrical energy
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a solar panel uses a renewable resource to produce electrical energy & electrical energy is a kind of energy -> a solar panel uses a renewable resource to produce energy
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