Oil, for now....
The Sun is the primary source of all energy on Earth.
The primary is the sun
Sunlight is Earth's primary source of energy.
The primary source of the suns energy is nuclear fusion of hydrogen. Nuclear fusion occurs in the core of the Earth.
The Sun.
what is Earth's primary energy source
The answer is nuclear fusion!! (:
it is the sunThe Sun
sun is the primary energy source that drives all weather events
Carbohydrates are the body's primary and immediate source of energy.
Carbohydrates are the body's primary and immediate source of energy.
primary