The right answer is smelly garbage.
Infestation is the penetration into the body of a parasite whose nature is not microbial.
smelly garbage is not synonymous of infestation, because the olfactory system only detected smelly metabolites of these microorganisms. This does not necessarily mean that the microorganism has managed to penetrate the body.
By cons other proposals are signs and tools for infestation (torn packaging with food leaking out, dead insect bodysuits, feathers, and fur).
Answer: help us move ? it might also be that the support our body.
Explanation: im not too sure but i think this is the answer
Spinal cord is the part of the central nervous system which is used to serve as the main communication link between the body and brain
Created the Grand Canyon National Game Preserve and killed the deers predators.