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: If Mary is taking a picture and she shuts the camera shutter narrower what will happen to the amount of light that gets in? 
 Answer: decrease
A camera shutter stays open longer in dim light to let more light in.

Question: When there are a lot of people in one area they need 
 Answer: many resources
More people need more resources.

Question: Tina heats some oxygen gas. The oxygen particles will move 
 Answer: faster

If the gas is heated, the particles will move faster as they gain more energy.