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: As Peter's dog got smaller, the dog's bones became 
 Answer: smaller
As animals grow their bones get longer and bigger, they grow more hair, and are able to take care of themselves by getting food, shelter, and water.

Question: If a device were to become less efficient, it would produce _____ usable energy. 
 Answer: less
The more efficient a device is, the greater the percentage of usable energy it produces.

Question: Rick is able to prove that in fifty years, the Earth's average temperature will be significantly lower. Based off of this information, he could also deduce then that the number of glacier's on earth in 50 years will be 
 Answer: higher

The glaciers on Earth are getting smaller and smaller as Earths temperature rises.