Which of the following limiting factors would be directly affected by a drought?

Abirth/death rate
Bimmigration
Cavailable niche
Dresource supply

Verified Answer :

Obviously, out of the
choices above, resource supply would be directly affected by a drought. Drought
happens when there is a little rain (or no rain at all) in a long span of time.
Thus, agricultural sources of food (and other products which needs rain) would
be greatly affected.

Answer:

Basically, what the person above me is saying, it's D :))

Explanation: