1. red blood cells
2. diploid is a type of cell with two sets of chromosomes (usually from the mother and farther)
haploid is a sex cell, so it is a cell with a single set of chromosomes (egg and sperm cells)
The answer is C plants do photosynthesis to make their own food however animals do not
The tilt of the earth's axis, which essentially "turns" certain parts of earth so that some parts receive more direct sunlight
