I just came here to say, is that jk in your pfp
It is the identity of the genes of your chromosomes that is your genetics that may not be physical, as compared to a phenotype which is a physical trait.
I believe it is nervous tissue
<span>B. wearing goggles when working with chemicals. Hope this helps :)</span>
It is kind of a strange question but by the process of elimination, I would go with petrification.
Its called petrified wood.
hope I Helped
