paige turns on an electric space heater in the center of her bedroom. the coils glow, and the room becomes warmer. how is heat reaching the corners of paige’s bedroom? a. by conduction and convection
b. by conduction and radiation
c. by radiation and convection
d. by radiation only

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.