Answer:
geologists use rock samples and direct evidence to prove what earth's structure is like.
Explanation:
Answer:
Mechanical barriers — which include the skin , mucous membranes , and fluids such as tears and urine — physically block pathogens from entering the body. Chemical barriers — such as enzymes in sweat , saliva , and semen — kill pathogens on body surfaces.
I think that I might be HYENA.
Since they don’t really kill they are mostly “scavengers”
I am not 100% sure though. I hoped I helped at least a little.
