2006-10-07 23:13:03 · 25 answers · asked by disha 1 in Science & Mathematics ➔ Biology
for the body
2006-10-07 23:28:26 · update #1
Solar Hydrogen Fuel
Using titanium oxide ceramics that harvest sunlight and split water to produce hydrogen fuel, an energy-harvesting device with no moving parts and emitting no greenhouse gases or pollutants... the cheapest, cleanest and most abundant energy source ever developed: the main by-products would be oxygen and water.
2006-10-07 23:29:14 · answer #1 · answered by sadie_oyes 7 · 0⤊ 1⤋
I am 100% sure that it is solar energy, it is not only cheep as in price, but it is also a very enviormental source. And unless there is no "DAY TIME" I am positive that solar energy will never have an end...
2006-10-08 03:28:58 · answer #2 · answered by hkis_110368_19 2 · 0⤊ 1⤋
Either solar, hydro, wind could be the cheapest source of energy...
2006-10-08 00:24:22 · answer #3 · answered by mad_integer 3 · 0⤊ 1⤋
sollar energy is the cheapest source of energy.
2006-10-07 23:15:43 · answer #4 · answered by Anonymous · 0⤊ 1⤋
Wind energy
2006-10-07 23:23:29 · answer #5 · answered by cosmoboyin 2 · 0⤊ 1⤋
Solar
2006-10-07 23:35:49 · answer #6 · answered by Rutwij K 3 · 0⤊ 1⤋
solar energy is natural and ofcourse the cheapest...coz it is renewable source of energy.
2006-10-07 23:24:02 · answer #7 · answered by pioneer. 2 · 0⤊ 1⤋
money wise : table sugar
Energy out vs energy in: walk into a health-food store lift a package of glucose off the shelf. Open it. Eat it. Walk out.
Free, pure; cellular energy.
It beats beating up an old lady in a grocery parking lot and stealing her food.
2006-10-08 02:02:23 · answer #8 · answered by s t 2 · 0⤊ 1⤋
solar energy is the chepesttt energy of India,world,universe
2006-10-07 23:34:40 · answer #9 · answered by Anonymous · 0⤊ 1⤋
Sun is the cheapest source of energy,,,,,,,
all the energy utilized by us,,,,,, is directly or indirectly related to sun,,,,,,, its ultimate source of energy
2006-10-08 01:59:43 · answer #10 · answered by Anonymous · 0⤊ 1⤋