Question

1. what is the 11 - year solar cycle? (1 point)

Explanation:

The 11 - year solar cycle refers to the periodic variation in solar activity. This includes changes in the number of sunspots, solar flares, and other solar phenomena. The magnetic field of the Sun also undergoes a complete reversal during this cycle.

Answer:

The 11 - year solar cycle is a periodic variation in solar activity such as sunspot numbers, solar flares, and involves a complete reversal of the Sun's magnetic field.