Question

Define quark?
and its funtions ​

Answer 1

a quark is a type of elementary particle and a fundamental constituent of matter. Quarks combine to form composite particles called hadrons, the most stable of which are protons and neutrons, the components of atomic nuclei.

Step-by-step explanation:

Answer 2

A quark is one of the fundamental particles in physics which is updated on October 2nd ,2019
They combine to form composite particles called hadrons