Question

what is a mole??????

Answer 1

small burrowing mammal with dark velvety fur, a long muzzle, and very small eyes, feeding mainly on worms, grubs, and other invertebrates.
synonyms: dialectmouldwarp, mouldywarp
"moles have burrowed under the lawn"
2.
a spy who gradually achieves an important position within the security defences of a country.
"a well-placed mole was feeding them the names of operatives"

Answer 2

Mole, also spelled mol, in chemistry, a standard scientific unit for measuring large quantities of very small entities such as atoms, molecules, or other specified particles.