There are many of energy sources in earth like solar energy, geothermal energy, hydroelectricity, tide energy, nuclear energy.
the sun and the moon
The sun and the earth's interior are the two sources of energy that power earth's systems.
The sun and the earth's interior are the two sources of energy that power earth's systems.
The sun and the earth's interior are the two sources of energy that power earth's systems.
solar system and gas
The sun's rays and wind.
your mom goes to college
Two sources are sun and Earth's interior
The sun, respiration, photosynthesis and food are all sources of energy for living things.
The two sources of energy are the sun and energy from the Earth's Interior.
The Earth system is powered by energy from two major sources: the Sun and the planet's internal heat.
The sun and the earth's interior are the two sources of energy that power earth's systems.