Cells become haploid in cytokinesis of meiosis one because the chromosomes have divided.
Answer: Mixture
Explanation:
If there is and unstable element composition of say, pure graphite an un-pure gold then a chemical reaction will most likely be used to separate the two elements.
Answer: D
They often occur spontaneously, because when energy is released during a chemical reaction it does not usually happen slowly.
Is there any multiple choice questions?