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

the correct answer, according to e2020, is the second choice there is an occluded front in region a and a cold front in region b.

photosynthesis makes the glucose that is used in cellular respiration to make atp. the glucose is then turned back into carbon dioxide, which is used in photosynthesis. while water is broken down to form oxygen during photosynthesis, in cellular respiration oxygen is combined with hydrogen to form water.