21) The term heliocentrisin refers to which belief?
A)
Some elements are lighter than air.
B)
The sun is at the center of the Universe.
Human life was created by a higher power.
D)
The earth is the only planet containing life.

Me! these questions are based on american people in the south essential questions: question 1: for what reasons will one group of people exploit another? focus questions: question 1: what influenced the development of the south more: geography, economy, or slavery? question 2: what were the economic, political and social arguments for and againsts slavery in the first half of the 19th century.