Since about 1990, the world population has increased by about what percentage? a) 10% b) 100% c) 70% d) 40% i think it's either a or d but i'm not sure

the pic attached shows the stages of mitosis. hope it !

children tend to take more after their grandparents more than their parents. it’s the dna you received that was passed down to you somewhere in your family. maybe one of your grandparents had/has straight hair and you might have gotten it from them.

the generally accepted parts of modern cell theory include: all known living things are made up of one or more cells. all living cells arise from pre-existing cells by division. the cell is the fundamental unit of structure and function in all living organisms.