I'm not sure what you're asking, but if you're looking for a word to describe this change its "mutation"
A. Twelve cells with 16 chromosomes each
<span>It is usually the best practice to start checking from his or her lower limbs, toes and gradually progress upwards ,legs waist , stomach, chest, hands and the head lastly. In short, do it from the bottom to the top.</span>
It is called hydrosphere
It is the total water in Earth.
