Expansion of the united states of America from the Pacific coast to the Atlantic coast
Answer:
Caprock
Explanation:
Texas is divided into four regions. North central plains are a region of Texas which is largest region. There is a bed of rocks known as Caprock below the soil. Caprock prevents the flow of any water or oil from below and these does not reach the soil. These rocks are harder and more resistant type of rocks.
The Maya are known for their calendars, their stone pyramids and the end of the world!
He faught them and protected his country
Answer:
- The Inca road system is regarded as one of the greatest monumental engineering achievements
- Inca engineers tailored the road to the landscape, using containment walls, paving stones, and stairways
- Inca engineers were the first to build suspension bridges, which used thick cables to hold up the walkway
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