The primary is the sun
The sun is the main source of energy on earth.
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
Sunlight is the main energy source for life on earth.
sun
the sun
the sun
We get most of our energy from sunlight.
solar energy
For us here on Earth, the prime source of energy is the Sun.
On Earth, the greatest source of thermal energy would be at the earth's core.
Solar energy :)
The ultimate source of all energy on planet Earth is the sun. Solar energy is converted and stored in various forms such as wind, fossil fuels, and biomass, which are then used to power various processes on Earth.