Explain what is meant by the solar cycle. What role does ...

[APUS57]

Explain what is meant by the solar cycle. What role does magnetism play?
 
  What will be an ideal response?

Question 2

During which step in cosmic evolution did diverse life forms begin to arise?
 
  A) particulate evolution
  B) stellar evolution
  C) chemical evolution
  D) biological evolution
  E) cultural evolution

[patma1981]

Answer to Question 1

The solar cycle is the periodic reversal of the Sun's magnetic field and occurs over a 22 year period. It is equal to two sunspot cycles. The north pole of the Sun changes to a south pole in 11 years and changes back to a north pole in another 11 years.

Answer to Question 2

D

[APUS57]

Excellent

[shailee]

Thanks for the timely response, appreciate it