Acatalyst is a substance that does what? a. it speeds up a chemical reaction, but is consumed in the process. b. it slows down a chemical reaction, without being consumed in the process. c. it speeds up a chemical reaction, without being consumed in the process. d it slows down a chemical reaction, but is consumed in the process.

The answer is C. A catalyst speeds up the rate of a chemical reaction. However, it is not consumed during the course of the day.

the most logical answer would be a

it would affect precipitation by causing flooding in some areas of the world due to climate increasing, causing the glaciers in the northern and southern pole of our planet to melt.

i wish you would have provided choices to simplify it and allow me to give an exact answer.