Melting and Boiling are both examples of processes because bonds need to be broken, and energy has to be absorbed to break the bonds.

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? ?

може ли да зареждате повече информация, моля