First, let's calculate the absolute decrease: from 32500 to 28200 - that's 4300 people less.
Now, let's calculate the percentage:

which is approximately 0.132, and multipied by 100% it is 13.2 percent : so 13% is the correct answer.
Well, once precipitation sinks into the earth, it first goes to rivers or lakes. After a while it goes to the ocean by the water flow.
The places by the equator are hot because the sun's rays are by or directly on the equator.
mount Everest witch is 29,029 ft
The correct answer is D. decreased energy consumption.
This measure is implemented for few reasons:
1. The fossil fuels are expendable, so they have to be managed carefully.
2. The economic power of the people will benefit.
3. Decreasing the pollution.
4. Dependence on fossil fuels, thus giving more time and space for developing alternative fuels, like the algae fuel for example...