Question

Choose the word that BEST completes the following sentence. The sunspot cycle is a pattern of solar activity where the average number of sunspots gradually _______________________________ and _______________________________.

Answer 1

increases and decreases

Step-by-step explanation:

the sunspot cycle is a period of time which varies from as short as nine years to as long as fourteen years where the number of sun spots on the sun increases at the beginning of the cycle and then decreases again towards the end of the cycle.