Answer:
Structure in a chromosome that holds together the two chromatids
Explanation:
I think tracheae which is B not sure tho
A group of atoms bonded together
Physcial weathering <span>is the process that breaks rocks apart. So, I suppose when an earthworms digs and tunnels their way through the soil? They move the broken peices of rock causing it to break into smaller peices.</span>
Answer:
A
Explanation:
because it increase alot of living organisms it A
