The frequency of sunspots and related solar activity is___________ . A) an 11 year cycle B) a 7 year cycle C) a 22 year cycle D) not a regular cycle

Name: The frequency of sunspots and related solar activity is___________ . A) an 11 year cycle B) a 7 year cycle C) a 22 year cycle D) not a regular cycle
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The frequency of sunspots follows an approximately 11-year cycle known as the solar cycle, during which the number of sunspots increases to a maximum and then decreases to a minimum.

The Frequency of Sunspots and Related Solar Activity Is___________