There are 4 factors for evolution: mutation, gene flow, genetic drift, and natural selection. Natural selection is the strongest
Assuming it's only salt water, it should be 85%
Well the whole point of the cell cycle is to make more cells so it could be C, but it also wants the daughter cell to have the same AMOUNT of DNA, not the exact type (in meiosis) so B may be right, but most likely it is C