Sort the sentences based on whether they are correct or incorrect

beta decay is the answer

under a microscope, cancer cells may look very different from normal cells. they often have different sizes and some may be larger than normal while others are smaller. cancer cells are often abnormally shaped and the control centre of the cell (the nucleus) may have an abnormal appearance.

i think? ?

in the analysis of systems that involve fluid flow, we frequently encounter the combination of properties u and pv.