Answer:
They have the most of china's population becuse they are bodies of water, which sustain life. And they gather most of their recorces from the area that surrounds the water and the water it's self.
p.s.
sorry that I spell words wrong..
In a couple of ways,
For example a scientific knowledge to create mass murdering weapons. Society will be a lot better if all people in the world dont have these.
The negative effect could also be found in environmental damage, such as carbon monoxide pollution, a nuclear hazard in cernobyl, etc
The answer is C. President and Vice- President