I NEED HELP ASAP Adaptations & Modifications

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

a. corn

b. meat

c. tobacco

d. wheat

e. potatoes

2.What does the Colorado River no longer do?

a. provide water for large cities

b. carry ships

c. flood

3.How can Haiti improve its buildings?

a. reinforce the corners

b. create a flexible foundation

c. counter forces with damping

4.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