12. The calvin cycle begins when CO2 react with A. Phosphoglycerate C. Glyceraldehyde-3-phosphate
B. Ribulose biphosphate D. Phosphoenol pyruvate

Energy derived from hot rocks and fluids beneath the earth’s surface is

The hypothesis of continental drift states that earth's continents, which are located on tectonic plates, move relative to each other. which of the following is true of the movement of the tectonic plates? a. tectonic plates only move once every million years. b. they move at a rate of approximately 5 centimeters per year. c. tectonic plates never move, only the continents located on them do. d. their movements are very rapid and occur at random times.

Photosynthesis converts solar energy into what type of energy?