Nicotine is only one of the many toxic chemicals
inhaled while smoking. what effect can such
toxic chemicals have on the body?
(1) they stimulate an increase in height.
(2) they stimulate uncontrolled cell division.
(3) they eliminate carbon dioxide from cells.
(4) they eliminate chromosomes from many cells.

The scales shown in the introduction measure mass, or the amount of matter in a particular object. the scientific law of conservation of mass states that matter cannot be created or destroyed during a chemical reaction, but it can change from one form to another. did the simulation support this scientific law? explain why or why not.