Radio communications were severely disturbed last week, and the local newspaper says that solar activity is to blame. Which types of solar activity could the newspaper be talking about? auroras and solar flares
solar flares and prominences
prominences and solar winds
solar winds and sunspots

Ibelieve the answer is relative humidity  because it makes more sense that way. solar flares usually occur in space it doesn't affect the earth, well it could but it wont make a significant damage.  latitude is land it doesnt do anything. prevailing winds, i dont know the correct meaning for this but i doubt that affects the land so it has to be relative humidity.

Okay cool  so what is the question?