I believe the answer is A) Centralized kingdoms is the correct answer.
D. Losing some of its fertility because of overgrazing
The answer is true.
If the water wasn't clean most would be sick.
To produce consumable fresh water from salt water through desalination.To utilize the water cycle in the desalination process
Forests capture and store water and can play an important role in providing drinking water for millions of people in cities,villages and towns.Forest contribute to the reduction of water-related problems like floods by absorbing water through their roots and storing it in the ground.
