B most likely:) hope this helps
The National Security Council is the organization that maintains and manages national-level preparedness standards. This is used by the President of the United States for assistance and advice in making national security a priority and also during decision-making for foreign policies.
I feel that it his greatest achievement was inspiring many people through his art. <span />
Answer: C determine the birth rate and death rate of each group in a population.
Explanation: Population ecologists follow the fate of same-age cohorts to
a. determine the factors that regulate the size of a population.
b. determine if a population's growth is cyclic.
c. determine the birth rate and death rate of each group in a population.
d. determine a population's carrying capacity.
e. determine if a population is regulated by density-dependent processes.