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1. For a long time / people / use / water / power machines
For a long time people have used water to power machines
2. Solar panels / place / the roof / a house / and / sun's energy / use / heat water
Solar panels are placed on the roof of a house and the sun's energy is used to heat water
3. We / use energy / the sun, the wind, and the water
We use energy from the sun, the wind, and the water
4. Many countries / already using / solar energy
Many countries have already been using solar energy
5. The earth's fossil fuels / running out
The earth's fossil fuels are running out
6. We / looking / cheap, clean, effective source / energy / not cause pollution or waste natural resource
We are looking for a cheap, clean, effective source of energy that does not cause pollution or waste natural resource
7. Recently / wind / use / generate electricity
Recently wind has used to generate electricity
8. The sun / supply / all energy / used / grow plants / evaporate water / rain / and / maintain / temperature / planet
The sun supplies all energy used to grow plants and to evaporate water for rain and to maintain tenperature of the planet
9. At present / most / our electricity / come / use / coal, gas, oil or nuclear power
At present, most of our electricity comes from the use of coal, gas, oil or nuclear power
1-..Nonrenewable... energy resources include coal, oil, natural gas and uranium.
2-..Solar... energy creates clean, renewable power from the sun.
3-We need to look for ways to reduce our carbon ..dioxide... .
4-Coal is a ...fossil.. fuel that was formed millions of years ago.
5-Renewable energy sources will never ..run... out because they are easily replenished.
6-Burning fossil fuels emits a lot of pollutants that are ...harmful.. to the environment.
7-Solar ..energy... are fitted to building and turn the sun's ray into energy.
8-Some countries are ..using... coal with natural gas because natural gas is less polluting than coal. (Không chắc lắm)