Question

explain dark matter ​

Answer 1

dark matter is the part of brain which has a collection of cell bodies

Answer 2

Dark matter is a hypothetical form of matter that is thought to account for approximately 85% of the matter in the universe, and about a quarter of its total energy density. The majority of dark matter is thought to be non-baryonic in nature, possibly being composed of some as-yet undiscovered subatomic particles.