Which of the following is an advantage of nuclear energy? A It does not produce solid waste. B It is cost-efficient. C It poses no safety risks. D It does not produce air pollution.

the answer is c

explanation:

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.

"it built up in the atmosphere"

i think thats it, idk, i tried looking for this exact q& a for grad. and idk if i got this question right or sorry if im wrong