TASK DEFINITION: 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.
PROBLEM: Question: When there are fewer people in an area the amount of water will 
 Answer: increase

SOLUTION: The availability of water is projected to get worse as demand increases.

PROBLEM: Question: Marie is rolling cards down a hill. She wants to know which cart will get to the bottom of the hill slower, an empty cart, or a full cart? The cart that will finish first will have a mass that is 
 Answer: lower

SOLUTION: An object has greater momentum if it has greater mass, greater velocity, or both.

PROBLEM: Question: If Mona is mixing some chemicals in a beaker for her science project and she adds less water to the mixture, what will happen to the amount of chemical reactions that can take place inside the beaker? 
 Answer: it will decrease

SOLUTION:
More water allows more chemical reactions.