an aggregate is one type of land resource. what is an aggregate?

a layer of solid rock found beneath soil
the top layer of soil
a natural mixture of sand, gravel, and crushed stone
a naturally occurring mineral or rock

Which of the following statements about acidic water is true? a. acid has no effect on the h,o molecules. b. the solution contains a larger number of oh ions than h,o ions. c. the solution contains a larger number of h,o ions than qh ions. d. the solution contains an equal number of h,o ions and oh ions. none of the above e.