Which of the following statements about sidestream smoke is not true? a. It is the smoke that a smoker inhales from a cigarette.

b. It is dirtier and has a different chemical makeup than mainstream smoke.

c. It is the smoke that people around the smoker inhale.

d. It is the smoke that results from the burning end of a cigarette.

Which of these describes how heat is transferred by convection* a. sunlight travels through space without the aid of fluids or solids. b. warm air rises and takes the heat with it, eventually, it cools and sinks c. air at the equator rises and sinks at the poles. d. air molecules touch the warm ground, heating them up *not conduction