Answer:
Technology is the sustainable way to generate tha alternate new sources of energy and suffice the demand of earth's resources.
Explanation:
Coal and firewood is the only conventional sources of energy in the world since Industrial revolution. After introduced modern machineries, oil and natural gas were diggiong out using modern tools but these resources also exhaustable. So many countries and international organisations innovate the new technology and produce the renewable energy in the cost effective manner such as Solar energy, Wind energy, Biofuel and so on, they are not pollute the environment and generate sustainable earth for our future's world.
Answer:
1/4
Explanation:
According to the rank-size rule the nth largest country is equal to 1/n size of the largest country
The mantle is the largest layer of the earth it takes up 84% of the earth. there are two sections in the mantle, the top is called the lithosphere and it also includes the crust. the lithosphere is a solid substance made out of dense rock that is about 1300 degrees. the bottom is called asthenosphere.
We can use rivers to get fresh water
