Are you looking for a cheap, clean, effective source of power that doesn't cause pollution or waste natural resource? Look no further than solar energy from the Sun.At present, most of our electricity comes from the use of coal and gas, oil or nuclear power. This power could be provided by the Sun. One percent of the solar energy that reaches the Earth is enough to provide power for the total population. Many countries are already using solar energy. Solar panels are placed on the roofs of a house and the Sun's energy is used to heat water. The energy can be stored a number of days, so on cloudy days you can use solar energy, too. Sweden has an advanced solar energy program. There all buildings will be heated by solar energy and cars will use power instead of gas in the future.
A.True or False for these sentences
1. Natural resources are coal and gas, oil or nuclear power. ..............
2. The solar energy could be provided the power for people on the Earth. ..............
3. Most of our electricity comes from the solar energy. ..............
4. Ten percent of the solar energy that reaches the Earth is enough to provide power for the total population. .............
5. The energy can be stored thirty days ..............
6. There is an advanced solar energy program in Sweden. ..............
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Sinh Học lớp 12
