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From radioactivity in the Earth's interior.
Geothermal Energy
Volcanoes
Earths interior and the sun
it comes from earths interior heat
From radioactivity in the Earth's interior.
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.
Two sources are sun and Earth's interior
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 two types of thermal energy sources are Geothermal and Thermal Energy
The two sources of energy are the sun and energy from the Earth's Interior.
Geothermal Energy
Volcanoes
Volcanoes
Earths interior and the sun