In this task, you are given a question and answer for that. The answer will fill in the blank or will complete the unfinished question. Your task is to provide an explanation based on the given question or fill-in-the-blank statement, and answer.

Example Input: Question: If Mona is creating a reaction using solid reactants and she decreases the surface area of those reactants, what happens to the reaction rate?
Answer: decreases
Example Output: Therefore, increasing the surface area of solid reactants increases the reaction rate.

Example Input: Question: Dan falls from a single stair one day, then the next day falls down three stairs at once. After falling down one stair, compared to three, Dan will experience
Answer: less friction
Example Output: Heavier objects press together with greater force, and this causes greater friction between them.

Example Input: Question: If Jim opens his water tap so that the water moves faster, what will happen to the energy levels of the water?
Answer: they will increase
Example Output:
Faster-moving water has more energy.