Respuesta :
Answer:
Radioactive processes within the Earth.
Explanation:
many of Earth’s heat is constantly generated by the decay of radioactive isotopes, such as potassium-40 and thorium-232.
Answer:
Radioactive processes within the Earth.
Explanation:
many of Earth’s heat is constantly generated by the decay of radioactive isotopes, such as potassium-40 and thorium-232.