The BEST example of diffraction is the image of

a straw through water in a glass

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? ?

the maximum mass of nh3 is nh3 in grams