Answer:
prob Native American European and African
It depends on the latitude where you measure it.
It's about 69 miles on the equator, and it shrinks to zero at the poles.
In general, at any latitude,
Distance covered by 1 degree of longitude =
<em> (69 miles) x [ cosine(latitude where it's measured) ]</em>
People use to believe the universe was centered around the Earth. BUt now with modern technology we know that it is obviously not.
Answer:
C. better tools for agriculture
Explanation:
- Sumera were the first people, to migrate to Mesopotamia and created a great civilization along the 5500 million years they build the settlements along the river valleys. They had advanced levels of technology such as irrigation techniques.
The Great Wall of China was built to protect China from its enemies and invaders from the North, especially the Mongols (Mongols were a tribal group that would regularly conduct raids into China) the Great Wall of China was built in the 7th century BC and is located in Huairou District, China! Hope this helps
