Answer:
The easiest way to test if water is acidic is to use litmus paper. Litmus paper is a paper that contains special dyes that will change color when exposed to acids or bases. In your case, if you dip blue litmus paper into water samples and it turns pink or red, then the water is acidic.
A and B
The other answers do not correctly use a semi-colon because the semicolon acts as a period that connects two closely related clauses.
Answer: The answer is -1
Explanation: 3+3 = 6 and then following the order of operations you substract 7 giving you the answer -1
The answer is D. A prediction uses known data and extrapolates a future data point.
They met at the Mount Washington Hotel I believe.
