Which graph shows that a population is growing over time?

The first graph because the population increase as time increased.

Explanation:

It's pretty self-explanatory but you can also see on the graph that it's    going up as time increases and not staying in a straight line. If the population stays as a straight line through time, there is no increase in population.

"a government in which power is divided between state and national levels". federalism is a system of government in which entities such and state and province, share power with the national government.

i believe your answer is d)