Which best identifies why the rusting of an iron nail in the presence of water and oxygen is an oxidation-reduction reaction? water is a reactant. electrons are transferred. nonmetals and a metal are involved o energy is released. 1: 35

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 correct answer would be b) volume versus temperature, because they are also directly proportional.