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Sunspots vary in a cycle from 7 to 17 years, averaging 11 years from a maximum to maximum peak. ...

naturelle

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Sunspots vary in a cycle from 7 to 17 years, averaging 11 years from a maximum to maximum peak. ...

Sunspots vary in a cycle from 7 to 17 years, averaging 11 years from a maximum to maximum peak.
True or false?

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Geosystems: An Introduction to Physical Geography

Geosystems: An Introduction to Physical Geography

Edition: 7^th

Author: Christopherson

Read 121 times

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naturelle Author

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6 years ago

You're my superhero lol

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