Answer:
For decades, researchers have suspected that the gargantuan basin was created by a head-on collision with a very large, very fast meteor. Such an impact would have ripped the moon's crust apart and scattered chunks of lunar mantle across the crater's surface, providing a rare glimpse at what the moon is really made of.
Explanation:
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Answer:
A
Explanation:
The Homestead Act encouraged Western migration by providing settlers 160 acres of public land.
Mexico because Mexico gave 55 percent of its territory, including parts of present-day Arizona, California, New Mexico, Texas, Colorado, Nevada, and Utah, to the United States