Multiple Choice
Which of the following processes is involved in the sunspot cycle?
A) A slight gravitational contraction of the Sun
B) Small variations in the rate of nuclear energy generation in the solar interior
C) An imbalance in the operation of the solar thermostat
D) The winding of magnetic field lines due to the Sun's rotation
E) A large change in the amount of visible light emitted by the Sun
Correct Answer:
Verified
Correct Answer:
Verified
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