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: People have _____ water in forests than in deserts. 
 Answer: more
answer:
Drier climates generally have less water for people to use.


question:
Question: When Derek was in the hospital, his blood vessels had a smaller diameter than normal, which meant that his body was running 
 Answer: colder
answer:

Increasing the diameter of the blood vessels increases the amount of blood and heat that moves near the skins surface.