6. A change in the internal pressure against the cell walls is used by plants for which of the following? A. photosynthesis B. movement C. reproduction D. pollination

when it is at an intermediate population density

the sun's light combined with the visible wavelenghts form what is called ultraviolet radiation, which are the long waves at the end of a visible light sprectrum.

hope it ,

bioteacher101

i think that it is c, d, and e, hope this