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Home Q & A Board Science-Related Homework Help Physics
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staedtler staedtler
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7 years ago
The sunspot cycle on the Sun is
A)   the regular movement of a relatively constant number of sunspots from the poles to the equator of the Sun over an 11-year period.
B)   a somewhat irregular, but always present, cycle of build-up and decay of sunspot numbers.
C)   an irregular build-up and decay in the number of sunspots averaging about 11 years, which occasionally fails for a time when no spots appear.
D)   an extremely regular build-up and decay in the number of sunspots, with a precise period of 11.3 years.
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Discovering the Universe

Discovering the Universe


Edition: 7th
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hyponoticahyponotica
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staedtler Author
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7 years ago
Grinning Face Exactly what I needed
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