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.

[EX Q]: Question: If James is taking pictures with his camera and he decides to leave his shutter open less, what happens to the amount of light the lens lets in?
Answer: decreases
[EX A]: A camera shutter stays open longer in dim light to let more light in.

[EX Q]: Question: An increase in food will likely lead to _____ lifespans.
Answer: longer
[EX A]: New farm machines were invented. They increased the amount of food that could be produced. With more food, people were healthier and could live longer.

[EX Q]: Question: Will induces diffusion in a gas and a liquid. The gas likely diffuses much
Answer: faster
[EX A]:
This is also called diffusion, and the process is much faster in gases than in liquids, because the particles in gases are further apart.