B or d.... hope this helps:)
The answer is.
propeller injury
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:by rotation that is powered by the motive force
Explanation:
