Multiple Choice
What is the "transition zone"?
A) This is the boundary where the temperature drops between the photosphere and the interior.
B) This is the boundary where the temperature drops again moving from the photosphere to the chromosphere.
C) This is the boundary where the temperature drops from the chromosphere to the cold of outer space.
D) This is where the temperature climbs sharply in moving from the chromosphere to the corona.
Correct Answer:

Verified
Correct Answer:
Verified
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