Question
How does radioactivity make it possible to understand how Earth can be so old and still have a hot interior? (1 point)
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.
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.
Answers
DrBob222
I don't agree with B.
http://www.thenakedscientists.com/forum/index.php?topic=35188.0
http://www.thenakedscientists.com/forum/index.php?topic=35188.0
SMM9673
I'm also a little confused on this one.
Anonymous
Is it C, radioactive elemts near the core release heat as their nuclei decay?