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 Input:
Question: Greta yells across the canyon in the cool morning and again in the hot afternoon. The sound likely traveled _____ in the morning. 
 Answer: faster

Ex Output:
For a given medium, sound has a slower speed at lower temperatures.


Ex Input:
Question: Mike dove deeper and deeper into the ocean trench. As he goes lower, the pressure exerted on him by the water 
 Answer: increases

Ex Output:
A fluid exerts pressure in all directions, but the pressure is greater at greater depth.


Ex Input:
Question: A rubber band, when it is fully stretched, will _____ elastic force. 
 Answer: gain

Ex Output:

The farther the material is stretched or compressed, the greater the elastic force becomes.