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.

[Q]: Question: Dana wants the gas to move with as little energy as possible so the particles can move slowly. Dana will then do this to the gas 
 Answer: cool
[A]: If the gas is heated, the particles will move faster as they gain more energy.


[Q]: Question: Objects that are farther apart have a _____ force of gravity. 
 Answer: weaker
[A]: Objects that are closer together have a stronger force of gravity.


[Q]: Question: Rocks that are buried deep underground are _____ than rocks on the surface. 
 Answer: older
[A]:
The main law is the law of superposition. This law states that deeper rock layers are older than layers closer to the surface.