instruction:
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.
question:
Question: Jim puts his water in the oven for later. The molecules in the liquid 
 Answer: speed up
answer:
When a volume of water is cooled, the molecules move less vigorously, so same number of molecules takes up less space and the water is denser.


question:
Question: If Mona is starting a garden and she increases the amount of water she applies to it, what will happen to the amount of plants that can grow in the garden? 
 Answer: increase
answer:
As more water covered the land, sand and silt were washed in and covered the dead vegetation, enabling more and more plants to grow.


question:
Question: If Mona is starting a garden and she decreases the amount of water she applies to it, what will happen to the amount of plants that can grow in the garden? 
 Answer: decrease
answer:

As more water covered the land, sand and silt were washed in and covered the dead vegetation, enabling more and more plants to grow.