20. Rewa climbs a hill for 30 minutes with a work efficiency of 5.00%, during which time her metabolic rate averages 220 W. Which ONE of the following statements is FALSE? (A) To maintain a constant body temperature, Rewa would have to lose a total of 376 kJ of heat. (B) Rewa was doing work at a rate of around 50 W. (C) During the climb, Rewa produced heat at an average rate of 209 J (D) The amount of work done by Rewa during her climb would have been 19.8 kJ (E) Rewa would have to ingest 396 kJ of energy from food to avoid losing stored per second. energy.

20. Rewa climbs a hill for 30 minutes with a work efficiency of 5.00%, during which time her metabolic rate averages 220 W. Which ONE of the following statements is FALSE? (A) To maintain a constant body temperature, Rewa would have to lose a total of 376 kJ of heat. (B) Rewa was doing work at a rate of around 50 W. (C) During the climb, Rewa produced heat at an average rate of 209 J (D) The amount of work done by Rewa during her climb would have been 19.8 kJ (E) Rewa would have to ingest 396 kJ of energy from food to avoid losing stored per second. energy.