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: A 10 pound box would be easier or harder to shove than a 100 pound box? 
 Answer: easier
[EX A]: Heavier objects also have more friction because they press together with greater force.

[EX Q]: Question: Fred has an isotope that decays slowly. What is likely true about it? 
 Answer: it can be used to date older specimens
[EX A]: Because these isotopes decay more slowly, they can be used to date much older specimens.

[EX Q]: Question: As a planet moves farther from Earth, it will exert a _____ pull of gravity. 
 Answer: lower
[EX A]:
Even though the Sun is much larger than the Moon, the pull of the Suns gravity is much less because the Sun is much farther away.