Multiple Choice
The quasi-biennial oscillation is a pattern of
A) ice advances and retreats spanning 2 million years.
B) 22 year-long sunspot cycles.
C) reversing stratospheric winds above the tropics.
D) increases and decreases in carbon dioxide concentrations.
E) solar activity that takes about 2 years to complete its cycle.
Correct Answer:
Verified
Correct Answer:
Verified
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