1) appearance of beard and moustache
2) broadening of chest and shoulders
3) changing of voice into a more grave one
The density of water is 1.0kg/L
It is heated up to get rid of any killing germs that can harm you. Cows or any milk giving animal don’t always give bacteria free milk.
Their skin is thin so they're prone to drying out and they cannot hold moisture in their bodies(Waterproof skin)