The number of sunspots a. remains approximately constant b. increases and decreases at random intervals c. increases

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The number of sunspots
a. remains approximately constant
b. increases and decreases at random intervals
c. increases and decreases in a yearly cycle
d. increases and decreases in an 11-year cycle

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The Physical Universe

ISBN: 978-0077862619

16th edition

Authors: Konrad B Krauskopf, Arthur Beiser

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Question Posted: Mar 12, 2020 07:39 AM

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The number of sunspots a. remains approximately constant b. increases and decreases at random intervals c. increases

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A dark cooler region on the solar surface is called Sunspots and the temperatu...View the full answer

The Physical Universe

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