C) they are both transport systems.
As already said, light years is the correct answer, give other peep brainiest
Answer: Dark energy and dark matter describe proposed solutions to as yet unresolved gravitational phenomena. So far as we know, the two are distinct. Dark matter originates from our efforts to explain the observed mismatch between the gravitational mass and the luminous mass of galaxies and clusters of galaxies.
Answer:its a 50% probably
Explanation: because the outcomes would be: BB, Bb, Bb, bb.
The answer is brian injuries