Question

How does radioactivity make it possible to understand how Earth can be so old and still have a hot interior?
A. Radioactive elements trap heat from underground magma chambers.
B. Radioactive elements absorb heat from the atmosphere and release it underground.
C. Radioactive elements near the core release heat as their nuclei decay.
D. Radioactive elements absorb the cold temperatures underground.

Answer 1

Explanation:

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