Multiple Choice
What causes plages?
A) compression and heating of chromospheric gas by magnetic fields
B) blobs of convecting gas rising through the photosphere and depositing their energy in the chromosphere
C) matter descending along loops of magnetic field in the corona
D) sunspots, which prevent heat from reaching the chromospheric gases above them, leading to cooler plage regions
Correct Answer:

Verified
Correct Answer:
Verified
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