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An energy resource is a resource that humans can use to make food or beverages.
Fuels, such as uranium ore, are not replaced in nature as quickly as they are used.
dark, organic material formed in soil from the decayed remains of plants and animals
They add organic material to the soil by breaking down the remains of plants and animals
They could increase the amount of chemical weathering of rock and soil formation.
true
plants and animals
the sun
false
Petroleum is a fossil fuel that can be used to make plastics.
Fuels, such as uranium ore, are not replaced in nature as quickly as they are used.
dark, organic material formed in soil from the decayed remains of plants and animals
They add organic material to the soil by breaking down the remains of plants and animals
They could increase the amount of chemical weathering of rock and soil formation.
true
plants and animals
the sun
false
Which of the following describes how microorganisms influence the chemical characteristics of soil?
Fuels, such as uranium ore, are not replaced in nature as quickly as they are used.
dark, organic material formed in soil from the decayed remains of plants and animals
They add organic material to the soil by breaking down the remains of plants and animals
They could increase the amount of chemical weathering of rock and soil formation.
true
plants and animals
the sun
false
Why is nuclear energy considered to be a nonrenewable energy resource?
Fuels, such as uranium ore, are not replaced in nature as quickly as they are used.
dark, organic material formed in soil from the decayed remains of plants and animals
They add organic material to the soil by breaking down the remains of plants and animals
They could increase the amount of chemical weathering of rock and soil formation.
true
plants and animals
the sun
false
What is humus?
Fuels, such as uranium ore, are not replaced in nature as quickly as they are used.
dark, organic material formed in soil from the decayed remains of plants and animals
They add organic material to the soil by breaking down the remains of plants and animals
They could increase the amount of chemical weathering of rock and soil formation.
true
plants and animals
the sun
false
What is the original source of the energy stored in coal?
Fuels, such as uranium ore, are not replaced in nature as quickly as they are used.
dark, organic material formed in soil from the decayed remains of plants and animals
They add organic material to the soil by breaking down the remains of plants and animals
They could increase the amount of chemical weathering of rock and soil formation.
true
plants and animals
the sun
false
Leaves release acids into the soil as they decay. How could decaying leaves affect rock in the soil beneath them?
Fuels, such as uranium ore, are not replaced in nature as quickly as they are used.
dark, organic material formed in soil from the decayed remains of plants and animals
They add organic material to the soil by breaking down the remains of plants and animals
They could increase the amount of chemical weathering of rock and soil formation.
true
plants and animals
the sun
false
Which of the following is the source of humus found in soil?
Fuels, such as uranium ore, are not replaced in nature as quickly as they are used.
dark, organic material formed in soil from the decayed remains of plants and animals
They add organic material to the soil by breaking down the remains of plants and animals
They could increase the amount of chemical weathering of rock and soil formation.
true
plants and animals
the sun
false
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