Name phoebe Subject
nimmons
Evaluation
Analyse the relationships, patterns and trends between Chernobyl and Sumatra tsunami

oxygen +1 most likely

genetic variation will increase because of a new habitat and food source.

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.