Answer is <u>D</u> - homogeneous mixture has the same throughout a while a heterogeneous mixture is not a uniform throughout. Explanation: I hoped that helped.
C chemical since it is after all made of chemicals
Dark energy and dark matter seem over analyzed, although they are no different than gravity and wind. Dark energy can be the pulling caused by black holes, stars, and large planets. Dark matter also is just the effect of cosmic dust and debris pushed from explosions but also pulling caused by distant gravitational bodies.
