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: If you were to launch a cannon which ball would fly faster if everything else were the same? 
 Answer: Lighter

A: The mass of the particles: lighter particles will diffuse faster, because on average they move faster.
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Q: Question: A genotype with poor fitness will likely produce _____ offspring than a more fit one. 
 Answer: less

A: Genotypes with greater fitness produce more offspring and pass more copies of their alleles to the next generation.
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Q: Question: Objects moving closer together will have _____ gravitational force between them. 
 Answer: more

A:
The closer objects are to each other, the stronger the gravitational force between them.
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