Official measurements of the Mississippi River’s length vary: according to the US Geologic Survey, the river is 2,300 miles long, whereas the Environmental Protection Agency records its length as 2,320 miles. This disparity can be explained in part by the fact that rivers such as the Mississippi expand and contract as ______ sediment.

Question

Official measurements of the Mississippi River’s length vary: according to the US Geologic Survey, the river is 2,300 miles long, whereas the Environmental Protection Agency records its length as 2,320 miles. This disparity can be explained in part by the fact that rivers such as the Mississippi expand and contract as ______ sediment.
Which choice completes the text so that it conforms to the conventions of Standard English?
Choose 1 answer:
Choose 1 answer:
(Choice A)   one accumulates
A
one accumulates
(Choice B)   they accumulate
B
they accumulate
(Choice C)   it accumulates
C
it accumulates
(Choice D)   we accumulate
D
we accumulate

GPT 3.5 · Answer

C) it accumulates