the eastern and western deserts prevented invaders from the east and west. The deserts were a hard climate to travel through. Therefore, nobody could walk across to conquer Egypt. Furthermore, the cataracts in the Nile to the south protected the Egyptians from lands below them.
The availability of water is a problem in the developing world because, often, those countries are located in regions where water is scarce as the climate is dry or very hot, so the reservoirs of water are extremely rare and often they are under the control of the power entities, which can make the access to the resource even more difficult.
The amplitude of a wave is a measure of the amount of energy it carries.
Answer:
label A: South American plate
Label B: African plate
Label C: indo-Australian plate
Explanation:
