In the photosynthesis equation, six molecules of carbon dioxide and six molecules of water are needed to make one just one molecule of glucose. Explain why this is so. PLEASE HELP

What effect does plate tectonics have an organic evolution

Living cells cannot use heat to provide the activation energy for biochemical reactions because which choice(s) complete the sentence correctly? a) answer choice ii. eliminate b) answer choices ii and iv. c) answer choice iii and iv. d) all answers can complete the sentence.

Which mechanism of transport takes place when solute particles move from a region of high concentration to a region of low concentration? active diffusion isotonic osmosis