In many tropical rainforests, people clear land by cutting down trees and burning them. After a few years, the soil runs out of nutrients and cannot be farmed any longer. How does this practice of "slash and
burn agriculture affect Earth's atmosphere?

answer: all : )

explanation:

burning fossil fouls really decrease the carbon in the atmosphere so b

the answer is true when observing or determining population size, a direct observation is use, in which each organism is counted in a population or in an area. one benefit of this measure is that you get the exact population count but it will take a long time to  determine  the  size  of a  population.