In what forms can tobacco be used? smoking chewing, and___?

People can smoke, chew, or sniff tobacco. Smoked tobacco products include cigarettes, cigars, bidis, and kreteks. Some people also smoke loose tobacco in a pipe or hookah (water pipe). Chewed tobacco products include chewing tobacco, snuff, dip, and snus; snuff can also be sniffed.

relationship between pressure and air volume and led to the understanding of how respiration works; i believe this is the correct answer ; /// good luck