Multiple Choice
Large circulation patterns in the Sun,dubbed "Conveyor Belts," transport material from the equator to the poles,then back to the equator at a depth of 300,000 km,take how long to complete a cycle?
A) Less than a day
B) A few years
C) A few decades
D) A few centuries
E) Tens of millions of years, comparable to the convection cycle in Earth's mantle
Correct Answer:

Verified
Correct Answer:
Verified
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