It is, like all things, what you perceive it to be (or not to be).
three alternative energy sources are wind energy harnessed by windmills, water energy often harnessed before it hits a dam, and light energy harnessed with a solar panel
solarwindbiomassnucleargeothermal
the first sources of heat was asteroids and meteorites. another sources of heat for the early earth was the contraction of gravity. the third sources of energy for the early earth was radioactivity. hope this helped :)
Alternative resource is the new renewable or inexhaustable energy source;includes solar energy, wind, and geothermal energy.
the sun and the moon
god
what are the three sources of chemical energy
We can utilize wind power and use hydro-electric power.
list three physical sourcses of energy
There are three different types of energy sources that are available. The three are hydro energy, wind energy, and solar energy.
The three sources are carbohydrates, proteins and lipids. There are more like vitamins, minerals, and water.
heat
GeothermalWindHydroelectric
solarwindbiomassnucleargeothermal
wind, sloar, and hydro
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Coal, oil, and natural gas are the main three nonrenewable primary energy sources.
The three sources of food energy are protein, carbohydrates (sugars), and fats.