The gravitational force is jointly proportional to the masses of the objects involved and inversely proportional to the square of the distance between them. You've mentioned distance, so the other contributor is
1. Mass
I think it is A also because I am taking the same test in USA Test Prep.
The infamous case of Brown v. Board of Education stated that racial segregation is unconstitutional and must not indicate an inferiority or superiority of one race over the other.
<h3>What is the significance of Brown v. Board of Education?</h3>
Brown v. Board of Education is one of the most important and landmark cases to have happened in the United States, where the court held on to its judgment that racial segregation in schools shall be deemed as unconstitutional.
Hence, the significance of Brown v. Board of Education is as aforementioned.
Learn more about Brown v. Board of Education here:
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The Andes, a mountain range in south America
Amazon River
Atacama Desert
Aconcagua, a mountain in Argentina
Pampas, region in South America
Orinoco, a river in south America
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