Answer:
I and II
Explanation:
I. irrigation of cropland & II. harvest of biomass for energy
<span>This is invalidate, because the amount of energy should stay constant.</span>
Hello, to answer your question properly the problem that's effecting the population is the decrease in trees. It causes their nests and homes in the trees to be burned and make them have to migrate somewhere else then that area they were living in.
Signed, Virtouso Sarge