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.

[Q]: Question: Ron was playing with a flashlight. He moved it back and forth slowly, and then quickly. Which motion likely caused less light to bend? 
 Answer: the slow motion
[A]: In refraction of light, the greater the change in speed, the more light bends.


[Q]: Question: Will measures water at a pH of 7, while a bleach solution measures at 12. Which substance is more basic? 
 Answer: bleach
[A]: Bases have pH values above 7. The higher the pH value, the more strongly basic the substance.


[Q]: Question: When it gets hot out what happens to our blood flow? 
 Answer: increases
[A]:
On a hot day, an endotherm may give off more heat by increasing blood flow to the surface of the body.