Living cells cannot use heat to provide the activation energy for biochemical reactions because

then that particular organisms become extinct.

i think it’s c but i might be wrong. if i am let me know! have a good rest of your day as well!

you can have just about every answer you can think of

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