Question

what is the relationship between earths temperature and the number of sunspots that occur?
an increased number of sunspots causes an increase in earths temperature.
a decreased number of sunspots causes an increase in earths temperature.
an increased number of sunspots causes earths temperature to remain constant.
a decreased number of sunspots causes earths temperature to remain constant.

Explanation:

Sunspots are related to solar activity. Higher sun - spot numbers usually mean more solar radiation reaching Earth, which can increase Earth's temperature.

Answer:

An increased number of sunspots causes an increase in Earth's temperature.