Answer:
A. Increasing the use of fertilizers and irrigation
Explanation:
That will help the land and make it more farmable.
Answer:
Egypt is A, Nation-state.
Answer: Super cell thunderstorm
Explanation: When cold and warm air masses collides with each other, balancing the total air mass, then this condition is called the stationary front. This front often creates heavy flooding occurring in a particular region with heavy thunderstorm, which is known as the super cell thunderstorm.
Super cell thunderstorm are enormous, destructive storms which are formed due to the instability in the air masses, moisture content in the air masses, wind speed as well as lifting mechanism of the air mass. It is the strongest of all the thunderstorm types.
The Rift Valley was formed by violent subterranean forces that tore apart the earth's crust.
