posted by Anonymous .
1. A corn plant over the course of a summer can weigh 500 grams (dry biomass, after removing the water), yet it starts from a seed that weighs less than 1 gram. What is the primary source of this increased mass? What process(es) are responsible for the gain in mass? Explain.
2. Your friend tells you that drinking diet Red Bull provides energy. Explain to her why this is not possible.