Which of the following did you include in your answer? Check all that apply.
Sunspots are dark areas on the surface of the Sun
that are cooler than surrounding areas.
Sunspots appear in groups, vary in size, and cycle
in number over an 11-year period.
Solar flares are sudden eruptions of energy from a

How does the fermentation of pyruvic acid in cells contribute to the formation of atp? a. it completes the oxidation of glucose to co2, creating atp. b. it generates lactic acid, which cycles back through the krebs cycle, producing 2 atp molecules. c. it converts fadh2 to phosphate, which bonds with adp. d. it produces 2 nad+ molecules, which cycle back to fuel the glycolysis reaction, allowing 2 atp molecules to be produced.