How can the rate of a reaction be decreased? A) lowering the temperature

B) adding a catalyst

C) increasing the amount of reactants

D) having more surface area

A

Explanation:

When heat is added molecules would move faster so like chicken noodle soup when its boiling on the stove it moves fast but when you turn it off the noodles start slowing down so using less heat makes the reaction slow down and cool

that tool would be a compass

the answer is 0.42 is that is an option. this question provides no info