Which part of the electromagnetic spectrum causes sunburn in humans?

How are the tortoises that darwin observed on the galápagos islands similar to the anoles that losos studied

Construct an explanation about the function of mitosis for multicellular organisms

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?