Question

what is dark matter?​

Answer 1

Answer:

Dark matter can refer to any substance which interacts predominantly via gravity with visible matter (e.g., stars and planets). Hence in principle it need not be composed of a new type of fundamental particle but could, at least in part, be made up of standard baryonic matter, such as protons or neutrons.

Explanation:

HOPE IT HELPS

ALSO MARK AS BRAINLIST

Answer 2

Answer:

Dark matter is a form of matter thought to account for approximately 85% of the matter in the universe and about a quarter of its total energy density.

Explanation:

dark matter has not yet been observed directly,if it exists,it must barely interact with ordinary baryonic matter and radiation,except through gravity.

i hope this answer will helpful for you and all of you