The body constantly makes new cells for the purposes of growth or the replacement of old, damaged, or recently dead cells.
He needed to understand the concept of science to understand why it’s so important
Melanin provides pigmentation to the skin and it also provides UV ray protection (which is its role in the epidermis).
The law of conversion of matter says that the amount of matter will always stay the same even if the matter changes form
an example would be a candle burning or ice melting; even though the substance has changed, the amount of matter stays the same