PLEASE HELP ASAP 25 PONITS PLEASE HELP
1.The Great Plains is a drier climate, what helped the Plains be great for agriculture?

a. canals were built diverting water from the Missouri River

b. climate change led to increase rainfall

c. irrigation

2.What led to increased production from farmlands?

a. Tractors

b. Internet

c. GPS and GIS

3.What shapes the US landscape today?

a. bulldozers

b. railroads

c. highways

d. tractors

e. dams

5.What ancient civilization thrived in the mountains due to the development of agriculture?

a. Incas

b. Aztecs

c. Indus Valley

d. Mesopotamia

e. Nile River

6.What food did the Incas grow that allowed them to thrive in the Andes?

a. corn

b. meat

c. tobacco

d. wheat

e. potatoes

7.What does the Colorado River no longer do?

a. provide water for large cities

b. carry ships

c. flood

8.How can Haiti improve its buildings?

a. reinforce the corners

b. create a flexible foundation

c. counter forces with damping