Living things are different from non-living things because living things grows, reproduce and also replace dead cells.
Mitosis is the process by which the body of living things makes new cells while meiosis refers to the process of creating cells like those of sperms and eggs. Living things grow in size, become taller, bigger and heaver while non living things does not.
polar molecules do not have a symmetrical distribution of charge. one part of the molecule will be more negative and another part will be more positive which allows polar substances to dissolve each other.
The changes in the grape juice happened due to the alcoholic fermentation of the grape juice that occurs due to the presence of aerobic bacteria. The presence of yeast is the main reason behind the process of fermentation taking place. The froth is produced due to the presence of the formation of acid and carbon dioxide.