Which of these traits most helps a rattlesnake remain unnoticed by
predators in its environment?
A. The rattle on the tail.
B. The shape of the head.
C. The brown coloration of the skin.
D. The ability to make a hissing
sound.

i believe the answer is c

the answer is c. it will give up it's valence electron to the other atom.

the sun creates it's own light, also gives light and life to bunch of stuff like plants,animals,humans etc.photosyntesis is the process of making food which needs sun,water,nutrients etc.