How many presidents have been impeached?
a. none
c. 2
b. 1
d. 4

Apopulation is a group of individuals of a single species existing together in an area. a population’s range, the area it occupies, changes over time. populations, in turn, may form a network, or metapopulation, connected by individuals that move from one group to another. within a population, the distribution of individuals can be random, uniform, or clumped, and the distribution is determined in part by the availability of resources. how might the geographic range of a species change if populations could not exchange individuals with each other? how would your answer depend on what type of metapopulation existed?

Which of the following was discovered in the piedmont region of north carolina in 1799?

What is it called when countries build lots of weapons to store and them in case of a war?