Sunspots are?

Sunspots


A. are hotter than the rest of the solar surface


B. are dark clouds floating in the solar atmosphere


C. occur at random intervals


D. are correlated with a number of terrestrial effects

Sunspots are?
D


sunspots are cooler than the rest of the sun


aren't dark clouds- they're actually part of the sun


occur in cycles every 11 years or so


and are correlated with electromagnetic fluctuations on earth
Reply:I would guess D, but what are you doing, your homework on Yahoo Answers? Read the book! ;-)
Reply:yep, D
Reply:They are actually storms in the photosphere that appear black because they are slightly cooler than the rest of the sun's surface. So B, I guess.