Nuclear fusion is the source of the sun's energy.
Fusion of hydrogen, APEX :)
The sun
The Sun is the main and most important energy source.
Heat from the sun.
celluse
The two sources of energy are the sun and energy from the Earth's Interior.
the sun is the main source of energy of the earth the sun is the main source of energy of the earth the sun is the main source of energy of the earth
sun is the main source of energy.
The main source of energy and heat is the sun.
The main source of light is the sun
Our main source of energy is the light and heat from the Sun.
Nope the sun is the earths main source of energy
The main source of energy is usually considered to be the energy absorbed from the sun (E.G., used in photosynthesis).
The main source of energy of the sun is the fusion of hydrogen to helium.
The sun is the main source of energy on earth.
The main source of light is the sun
The main source of energy is from the sun.
sunlightThe sun is the main source of energy on planet Earth.