Soil Energy Resources Question Preview (ID: 60626)
Soil Energy Resources.
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An energy resource is a resource that humans can use to make food or beverages.
a) true
b) false
c)
d)
Petroleum is a fossil fuel that can be used to make plastics.
a) true
b) false
c)
d)
Which of the following describes how microorganisms influence the chemical characteristics of soil?
a) They add organic material to the soil by breaking down the remains of plants and animals
b) They add inorganic material to the soil by weathering rocks on Earth’s surface.
c)
d)
What is humus?
a) spaces between soil particles through which water and air can move
b) dark, organic material formed in soil from the decayed remains of plants and animals
c)
d)
Leaves release acids into the soil as they decay. How could decaying leaves affect rock in the soil beneath them?
a) They could decrease the amount of weathering that occurs within the soil.
b) They could increase the amount of chemical weathering of rock and soil formation.
c)
d)
Which of the following is the source of humus found in soil?
a) plants and animals
b) parent rock
c)
d)
In which of the following soil layers is humus mostly found?
a) A horizon
b) B horizon
c)
d)
What is the original source of the energy stored in coal?
a) the sun
b) plants
c)
d)
Which is one of the disadvantages of using fossil fuels as an energy resource?
a) Burning fossil fuels produces radioactive wastes.
b) Gases released during combustion can form acid rain.
c)
d)
Why is nuclear energy considered to be a nonrenewable energy resource?
a) Some people do not support the use of nuclear energy as a resource.
b) Fuels, such as uranium ore, are not replaced in nature as quickly as they are used.
c)
d)
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