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Earth Science - New York Regents January 2003 Exam


Base your answers to questions 37 and 38 on the graph below, which shows changes in the Sun’s magnetic activity and changes in the number of sunspots over a period of approximately 100 years. Sunspots are dark, cooler areas within the Sun’s photosphere that can be seen from Earth.

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: Multiple choice

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37.

The graph indicates that years having the greatest number of sunspots occur
(1) randomly and unpredictably
(2) precisely at the beginning of each decade
(3) in a cyclic pattern, repeating approximately every 6 years
(4) in a cyclic pattern, repeating approximately every 11 years

  1

  2

  3

  4

  Half-n-half Clue
 

38.

Which graph best represents the relationship between the number of sunspots and the amount of magnetic activity in the Sun?

  1

  2

  3

  4

  Half-n-half Clue
 

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