Because we do or we would die
B - 24
Haploid cells have only one set of chromosomes while diploid cells have two
Look at these images, the oldest is at the bottom, the newest is at the top, so the drawings are next to time zones are properly set up, so next to the time scale is when the drawing next to it was made.
1/100 heads and 1/100 tails because the are dependent variables