When the Earth cooled from being hot, all the iron and nickel was concentrated inside the Earth forming the inner two layers, inner solid core and outer liquid core. Then with the passage of time the Earth solidified gradually and the mantle solidified and now at this stage the Earth's crust, the outer most part of the Earth, looks like it's final product (the way it does now).
The fourth one is the answer
1.bottom in motion
2.the middle
4.true
5.energy tranfermation
6.energy transfer
7.the object would fall harder than the pins
DONT REPORT THIS TIME!!!!!!!!!!!!!!!!
Answer: In the 1960s, the South was a place African Americans fled, seeking better jobs and better lives in the North in what was known as the Great Migration. But in recent years that flow has switched and led to what’s become known as the Great Reverse Migration, with large numbers of African-Americans moving South again.
Explanation: