stroking a cat, rubbing amber
natural fire, lightning, and the sun.
there are three natural sources of electricity water, wind and sun or hydel power, wind power and solar energy
by using coal power plant
they do not use natural resources
Coal, oil, natural gas, hydro
There are many natural sources of nitrogen, two of which are mineralization of organic matter and animal waste.
The 3 best and simplest ones are the moon,lightning and the sun.
The sun is an example of a natural light source. A source which gives of light that is natural (not made by electricity) is a natural light source.
Lightning, solar energy, hydroelectric energy, geothermal energy, nuclear energy, and wind energy.
The sun is an example of a natural light source. A source which gives of light that is natural (not made by electricity) is a natural light source.
light , gas , electricity
Five sources of non-renewable energy:CoalOilNatural gasNuclear (uranium)Rainforest timber