sunlight
The sun is the major external source of energy.
the major source is sun
yes them sun is a major source of energy because the sun is used 4many things
The sun is the major source of energy in the desert as well as most other biomes on earth.
solar energy
Sun is the source of heat and light energy. It provides energy on earth's surface.
carbohydrates
Sunlight
Hydel
carbohydrates
Chemical Energy
The Sun