Biomass energy sources include ________.
A) heat from burning firewood
B) muscle power of people and animals
C) biogas conversion of crop and animal wastes
D) All of the above
Correct Answer:
Verified
Q21: _ was proposed to hold tailing in
Q22: Among environmental issues, the most important concern
Q23: Impact and benefit agreements (IBAs) are _.
A)
Q24: The "Ring of Fire" area north of
Q25: Geothermal heat occurs near the Earth's surface
Q27: Canada produces _ of its electricity from
Q28: In Canada, _ has had the greatest
Q29: _ is the main type of primary
Q30: Choice of energy sources is based on
Q31: Wind energy converts _ energy into mechanical
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