Answer:
Benefits of Dams
Economic benefits of dams are:
1. Electrical Generation.
2. Navigation.
Environmental benefits of dams are:
1. Reduces the consumption of fossil fuels and the green houses gases.
2. It provides water for irrigation.
3. It can prevent uncontrolled flooding.
4. Debris control
Social benefits of dams are:
1. creates recreational activities like boating and fishing.
Explanation:
The effect that global warming will have on present day is the increase in average temperature and reduced rainfall. The glaciers around the world will start melting and the sea level will start rising. This will lead to hurricanes and floods. It has the potential to destroy the whole world.
Oxygen makes up 21 percent of the earths atmosphere
