The main source of heat energy on earth is
- The main source of light and heat energy on earth is
- The major source of heat energy on earth is
- The major source of heat energy on the earth is moon true or false
- What is the main source of heat energy for weather on earth
- The sun is the main source of heat energy on the earth
- The sun is the main source of heat energy on the earth true or false
- What is the main source of heat energy in earth's atmosphere
- The main source of earth's natural heat is
- The main source of energy on earth is