Physics, 16.01.2020 22:31 kp2078

Scientists have observed that the average sunspots have increased in the last 50 years. which of these statements best describes an effect of
this increase in sunspots?
a earth's temperature has become cooler.
b earth's temperature has not changed over time.
c earth's temperature has become warmer
d earth's temperature has reduced by fifty times.

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Scientists have observed that the average sunspots have increased in the last 50 years. which of the...