Sand or gravel that naturally forms near earth's surface is known as
a. ore.
b. bedrock.
c. aggregate.
d. pollen.

Sand or gravel that naturally forms near Earth's surface is known as (C.) aggregate.

I'm taking the test now. Check out the glencoe earth science textbook page 684. Answer is in the first paragraph. :)

Answer (a) the itcz comes overhead for part of the year; i believe this is correct,plz check first; ///