I believe the answer is: He's constantly having nightmare on his sleep and constantly do a violent outburst as if someone is trying to hurt him.
All of those signs point to a post traumatic stress disorder. This could only happen if in his personal mind, he still believed that he is on a battlefield, even if now he is currently at home. The horrible experience that he face on the battlefield still haunting his mind .
Answer:
The largest water source for most of the state is water pumped from aquifers, while the rest of the water for the state comes from resources known as surface water.
Ancient Egyptians moved massive stone blocks across the desert by wetting the sand in front of a contraption that was used to help move the blocks to there destination, this contraption was built to move large structures/objects.
Answer:
Desalination takes quite a lot of energy, so it is expensive. Also, the residue is very saline brine, which must be disposed of without causing too many environmental problems. So desalination isn't cheap and easy.
Explanation:
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