A. 10
B. 11
C. 12
D. 13
Submitted by: Muhammad Abdullah
The solar cycle is a nearly periodic change in the Sun’s activity between the time where we can observe the most and least number of sunspots, and generally lasts around 11 years. Sometimes the surface of the Sun is very active with lots of sunspots, while other times it is quieter with only a few or even none.
Correct Answer: 11 ✔
Last Updated: May 09, 2024