7. Short-term climate changes have been linked to changes in the number of _____.
a. sunspots
b. solar storms*
c. solar flares
d. continents
The correct answer is a. sunspots.
Short-term climate changes have indeed been linked to changes in the number of sunspots. Sunspots are dark spots or patches that appear on the surface of the sun. These regions are relatively cooler than the surrounding areas and are often associated with increased magnetic activity.
To arrive at this answer, one could gather information from scientific research papers, climate change studies, or consult experts in the field. Sunspots have been studied and observed for many years, and their connection to climate patterns is well-documented. By reviewing trusted sources of scientific research or seeking expert opinions, one can find evidence supporting the link between sunspot activity and short-term climate changes.