Vhat do similarities in the early development of organisms suggest

Joan writes four numbers on the board in standard form, and then she writes their scientific notation

What type of matter is made of only one kind of atom

Two nails have identical sizes and shapes. in one nail, 20 percent of the domains are lined up. in the other nail, 80 percent of the domains are lined up. which has stronger magnetic force? first answer gets brainliest!