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because geothermal energy gives air pollution
The source of solar energy is the sun. The sun contains hydrogen, which by fusion, is converted to helium. The fusion reaction gives off solar energy. See related link.
"Octanol is not the most energy efficient fuel. Butanol is. Octanol gives out 8691.34J of energy per gram. Butanol gives out 15521.21J of energy per gram" Please state your source.
Good things about radiant energy is that it gives off heat, and also can be used as a light source. It isn't however useful in producing large amounts of energy.
Because the sun gives of heat which keeps our muscles warm, which lets us use energy to do stuff. and all the other necesities..
Carbohydrates
The macromolecule that makes up around half of the calories you should eat in a day is carbohydrates. Other macromolecules that are important to your diet are proteins and fats.
It is a light source.
A land is indirectly a source of energy. It is a renewable source of elements that gives, among other benefits, energy to the living creatures, the lively beings.
ummm... probably the sun
because geothermal energy gives air pollution
Animals obtain energy by what they eat. It is all a big cycle, the sun(main source of energy) gives energy to the grass which gives energy to the cow, though in smaller amounts.
Natural gas is used as a source of heat, from heating homes, to heating water, when something is burned it gives of energy, heat is a form of energy.
An energy feed is a food source that gives extra energy to those who eat it, allowing them to expend more energy when needed.
Chemical compoundsChemical compounds
The food they eat gives them their life force.
Cells use ATP (adenosine triphosphate) as their immediate energy source.