The onion plant began as a single cell. that cell had eight number of chromosomes. how many chromosomes are in each of the cells at the end of mitosis?

After mitosis, two cells are created with the same number of chromosomes, therefore, there will still be 8 chromosomes in each onion cell.

Ithink due to shortage of water

1) the mayans built pyramids just like the egyptians. the mayans also used hieroglyphics like them.2) power was passed down by family. for example, if the father dies, the son would be the next king.3)they both built pyramids for their structures.4)the main crop for the mayans was maize.5)they also grew manioc, beans,  squash,  amaranth, and chile peppers.