Question

human population has grown _______, increasing very slowly at first, but later growing at accelerating rates that show no sign of nearing carrying capacity.
a linearly
b steadily
c logistically
d exponentially

Explanation:

Exponential growth starts slow and then accelerates rapidly without immediately approaching a carrying - capacity limit as described. Linear growth is a constant rate, steady growth implies a more even pace, and logistic growth levels off as it approaches carrying capacity.

Answer:

d. Exponentially