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.
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Question: Question: When a rubber band is relaxed, its elastic force 
 Answer: decreases

Answer: The elastic force increases the more the material is stretched or compressed.


Question: Question: James loved to travel the world. In his travels, he noticed that America contained a lot of industry while China contained not much industry at all. Which country produced more hazardous wastes? 
 Answer: America

Answer: Countries with more industry produce more hazardous wastes than those with little industry.


Question: Question: John was looking at the rock layers at the bottom of the cliff. He saw that as the layers became deeper, they also became 
 Answer: older

Answer:
The main law is the law of superposition. This law states that deeper rock layers are older than layers closer to the surface.