Avoid carcinogens (like smoking residues..etc), eat healthy and sleep well in order to maintain a strong immune system
<span>Made mostly of collagen. Its also a living growing tissue.</span>
Answer:
it may be erosion, I'm not quite sure but it could possibly be a form of erosion.
I believe Biotic factors is the term for living organisms & Abiotic factors is the term for Non- living factors such as water , air , temperature & soil .
