Annual Fluctuations in the atmospheric carbon dioxide concentrations occur because A: Plants in the northern hemisphere lose their leaves during the winter
B: Co2 emissions increase in the winter
C: Humans influence c02 concentrations
D: Photosynthesis stops at night while respiration continues

explanation:

on disadvantage of hydroelectric power is the cost. another disadvantage of using hydroelectric power is finding a water source powerful enough to harvest hydroelectric power.

i think that is new experiments yield untrustworthy data and should be carefully considered, because you don't know what will happen with the experiments.

the correct answer is sex-linked recessive.

i just took the test

what bodys are there orbiting?