12. which of the following best describes the process of hydration? o a. water moving through soil carries away important nutrients, b. water bonds with elements in the minerals that make up a rock, forming new substances, c. water transports weathered sediment from one place and deposits it in another. d. water breaks existing bonds among elements in the minerals that make up a rock.

The answer you are looking for is B

B. Water bonds with elements in the minerals that make up a rock, forming new substances is the correct answer.

Explanation:

Hydration refers to a reaction where a substance is combined with water.

hydration takes place during the weathering process when the mineral structure absorbs water to form a unique or new substances.

hydration causes the rock to rise in a volume that puts tension or stress on the rock and makes it more susceptible to weathering process.

Thus option(B)Water bonds with elements in the minerals that make up a rock, forming new substances is the correct answer.

complete the square on the right side of the equation;

-5(x + 0)^2 + 15

answer: d. y = -x^2 + 15