Answer:
C- Water helps trees and plants grow for food, and provides resting places in the desert.
Explanation:
Merchants and traders who travel along desert routes must stop at oases to replenish food and water supplies. This means that whoever controls an oasis also controls the trade along the route—making oases desirable to political, economic, and military leaders.
I can’t answer this because I can’t see the diagram. Comment on this once you posted it so I can help u
Answer:
Warm air rises at the equator and cold air sinks at the poles.