True or False. By far, the largest reservoir of nitrogen is N2 in the atmosphere but most primary producers cannot assimilate nitrogen directly from this reservoir. Carbon, however, could be assimilated directly from the atmosphere

Biomass can be used to generate electricity. biomass relies heavily on agricultural crops. plants release carbon dioxide and water in combustion. plants use photosynthesis to originally generate the energy that is needed. the chemical energy of these plants all started with what energy source?

Other than earth, is also known to have magnetic pole reversal? a: venus b: mars c: earths moon d: the sun

Natural selection changes allele frequencies because some survive and reproduce more successfully than others.