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: Jeff is stopping exercising his muscles at home. Over time his muscles will grow 
 Answer: smaller
[EX A]: Muscles that are exercised are bigger and stronger than muscles that are not exercised.

[EX Q]: Question: If we have a bag of feathers and a bag of bricks of the same volume, the heavier item will be the 
 Answer: bricks
[EX A]: If we have two materials with the same volume, the material with a higher mass will be more dense.

[EX Q]: Question: If your country has a lot of industry it likely has _____ hazardous waste. 
 Answer: a lot of
[EX A]:
Countries with more industry produce more hazardous wastes than those with little industry.