The answer is A. Appalachian Mountains
When American colonists headed west they crossed what will known today as the Appalachian Mountains.
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Most smaller stars don't have a radiative zone. In the radiative zone, the material is hot and dense which enables thermal radiation transfers from the core outward though the Sun. This layer is size dependent therefore smaller stars might not have this zone at all.
The right word for the blank space is STABLE.
Before man started cultivating crops, he has to move around constantly in order to look for food for himself and his family. When man started cultivating crops, his wandering around stopped because, food provision is now more stable.
The percent of the fraction 2/5 is 40%
Answer:
B
Explanation:
Sandford, legal case in which the U.S. Supreme Court on March 6, 1857, ruled (7–2) that a slave (Dred Scott) who had resided in a free state and territory (where slavery was prohibited) was not thereby entitled to his freedom; that African Americans were not and could never be citizens of the United States