What do the light-independent reactions of photosynthesis need in order to produce sugars

Photosynthesis uses co2 and cellular respiration produces co2. we call the point when the two processes are in balance--when there is no net production of co2--the compensation point. how might you limit one of the processes in order to achieve a compensation point?

Based on the diagram, which of the following best describes ways in which the physical appearance of h. neandertalensis and h. sapiens differ?

Which of the following would be most useful for detecting the brain areas that are most active as a person performs mathematical calculations? a. a brain lesionb. an interneuronc. a pet scand. a hemispherectomy