Author Question: One of the least promising non-fossil fuel energy sources uses A) wind power. B) biomass energy. ... (Read 87 times)

storky111 · **on:** Jul 16, 2018

One of the least promising non-fossil fuel energy sources uses

A) wind power.
B) biomass energy.
C) geothermal energy.
D) thermal-energy conversion in the oceans.

Question 2

The information of an energy pyramid reveals that for human food choices,

A) it is more expensive and less efficient to get most of your dietary calories from meats.
B) it is more expensive and less efficient to get most of your dietary calories from grains.
C) consumers at lower trophic levels do not have as much energy and biomass as consumers at higher trophic levels.
D) consumers at higher trophic levels are usually more abundant than consumers at lower trophic levels.