Question

what is known as mole

Answer 1

They happen when pigment cells in the skin, called melanocytes, grow in clusters. Moles are very common. Most people have between 10 and 40 moles. ... About one out of every ten people has at least one unusual (or atypical) mole that looks different from an ordinary mole. They are called dysplastic nevi

hope this will help u

Answer 2

To represent the number of atoms or molecules we use the word mole
A mole is equal to 6.023*10^23
This is also called Avagadro's number