Question

Sir Thomas Malthus's most relevant lesson for us today is that
A. modern reproductive technology has had no detectable effect on population growth.
B. food production can increase at only an arithmetic rate.
C. population increase is invariably geometric.
D. land, water, and other resources are limited.

it's not B!!

Answer 1

D. malthus pretty much defined the term "carrying capacity" and told us that human population on earth will not exceed a certain amount because of the limited nmber of resources

Answer 2

thank you @hlee0919