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anvaridthe anvaridthe
wrote...
Posts: 740
Rep: 6 0
6 years ago

The sustained heat within the Earth's interior is attributed to:
  a. Radioactive Decay
  b. Conduction
  c. Convection
  d. Isostatic Equilibrium

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Replies
wrote...
6 years ago

ANS: A
Radioactive decay occurs when the nuclei of unstable elements begin to break apart. As the radioactive
particles are ejected, heat is given off. The residual heat combined from radioactive decay combined
with the energy given off when the iron melted into the core sustains Earth's internal heat. Information
can be found in the section A New Understanding of Earth Evolved Slowly.

anvaridthe Author
wrote...
6 years ago
Great answer
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