power-effective-nuclear-advanced-pollution-heat-stored-electricity-energy-panels
are you looking for a cheap clean(1) source of power that doesn't cause (2) or waste natural resources?look no further than solar (3) from our sun
at present most of our(4) comes from the use of coal and gas oil or(5) power this power could be provided by the sun one percent of the solar energy that reaches the earth is enough to provide (6) for the total population
many countries are already using solar energy solar (7) are placed on the roofs of a house and sun's energy is used to(8) water the energy can be (9) for a number of days so on cloudy days you can use solar energy too
sweden has an (10) solar energy program there all building will be heated by solar energy and cars will use solar power instead of gas by the year 2015
question
1)is the solar energy an efficient source of power?
2)where are the solar panels placed?
3)how long can the energy by stored?
4)is the solar energy used in vietnam now?
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