Fossil fuels are best described as a(n) ________ energy source

A) environmentally friendly
B) efficient
C) nonrenewable
D) renewable
E) clean


Answer: C

Environmental & Atmospheric Sciences

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A biodegradable material is one that is consumed and destroyed by organisms that live in the soil or water

Indicate whether the statement is true or false

Environmental & Atmospheric Sciences

Updrafts dominate the cumulonimbus cloud during the ________ in the life cycle of an air mass thunderstorm

A) mature stage B) cumulus stage C) dissipating stage

Environmental & Atmospheric Sciences

Which has more atoms: a 1-gram sample of carbon-12 or a 1-gram sample of carbon-13?

A. a 1-gram sample of carbon-13 B. a 1-gram sample of carbon-12 C. They have the same number of atoms. D. More information is needed.

Environmental & Atmospheric Sciences

Together, ________, ________, and ________ provide more than 81 percent of the energy consumed in the United States

A) uranium; hydroelectricity; coal B) coal; nuclear power; wind energy C) natural gas; wind power; biofuel D) oil; coal; natural gas

Environmental & Atmospheric Sciences