Answer:
but no the answer is spine which can also be called vertebral column so is B
The answer is in the image attached.
Hope this helps!
The
two categories that are used to classify physical changes are Reversible and
Irreversible.
Reversible
means that the matter can convert to gas, liquid and solid and then convert
back to gas, liquid or solid. So it means it can convert back and forth.
<span>Irreversible
means that matter cannot be converted back as it is before.</span>
C. this individual is a male since he has X and Y chromosomes
