Because hot air is less heavy cold air is more heavy causing them to shift if cold air is placed on top.
Artic is a cold hot cold hot
Antarctica is constant cold
Answer:
The Great Migration was the relocation of more than 6 million African Americans from the rural South to the cities of the North, Midwest and West from about 1916 to 1970.
Answer:
here's 5 just in case!
medium for plant growth,
regulator of water supplies,
recycler of raw materials,
habitat for soil organisms, and.
landscaping and engineering medium.
The divide is a ridge in the rocky mountains hence divides the waterways from the west to flow westwards to the Pacific and then the waterways from the east to flow eastern to the Atlantic. Divides the flow of water and no water can disobey this line