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: Rocks that are buried very shallow are _____ than rocks on the surface. 
 Answer: newer
[EX A]: The main law is the law of superposition. This law states that deeper rock layers are older than layers closer to the surface.

[EX Q]: Question: Would a big star be 
 Answer: hotter
[EX A]: Bigger stars produce more energy, so their surfaces are hotter.

[EX Q]: Question: If America has a bigger industrial sector then China, which country will produce less hazardous waste? 
 Answer: China
[EX A]:
Nations that have more industry produce more hazardous waste.