C) the exchange of plants, animals, and diseases between the old and new worlds
1. After several million years, the Earth separated into several layers. Iron, nickel and other heavy metals mostly settled to the core; lighter elements remained in the mantle around the core. The lightest elements, such as oxygen and silicon, floated to the top and cooled, forming a solid crust.
2. The inner core is the most dense. As the Earth formed, the heavy elements migrated towards the center through gravitational compression. This became the Earth’s inner core.
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Georgia is the 24th-largest in area and 8th-most populous of the 50 United States. Georgia is bordered to the north by Tennessee and North Carolina, to the northeast by South Carolina, to the southeast by the Atlantic Ocean, to the south by Florida, and to the west by Alabama.
Answer:
Mexico
Mexico is the top origin country of the U.S. immigrant population. In 2018, roughly 11.2 million immigrants living in the U.S. were from there, accounting for 25% of all U.S. immigrants. The next largest origin groups were those from China (6%), India (6%), the Philippines (4%) and El Salvador (3%). hope i helped have a goood day
Explanation:
At that time, the fact that they were able to build such great buildings out of heavy stone showed that they were capable of building other things, such as weapons, that scared off potential enemies.