Hydrothermal fluids choose one:
a. change a rock's chemical composition, in a process known as exhumation.
b. consist of only hot water and steam.
c. are chemically inactive solutions, like pure water.
d. can be derived from

I think A. change a rock's chemical composition, in a process known as exhumation. is the correct answer.

Explanation:

read the sentence below and answer the question that follows. one of the norms in the village was to meet at the town square on fridays for a community dinner and dance. the underlined word in the sentence above is best defined as a a. cultural element shared by all people around the world b. specific area in a town used for traditional community events c. religious custom accepted and practiced by all members of a village d. behavioral pattern that is regularly accepted by a group of people