Author Question: Sunspot activity A) typically varies in number on a roughly eleven-year cycle. B) was first ... (Read 90 times)

swpotter12 · **on:** Jul 14, 2018

Sunspot activity

A) typically varies in number on a roughly eleven-year cycle.
B) was first observed in the late nineteenth century.
C) typically has the same number of sunspots per year.
D) has been conclusively linked to climate changes.

Question 2

Sunspots are associated with the solar

A) core.
B) corona.
C) photosphere.
D) chromosphere.