(15) what is the correct order of steps for hand-washing?
a. wet hands in warm water, apply soap, scrub hands, rinse, and use an air dryer
b. apply soap, wet hand in warm water, scrub hands and dry on a clean kitchen towel
c. wet hands in cold water, apply hand sanitizer, scrub hands, rinse, and dry with paper towel
d. apply soap, scrub hands, rinse, hands in cool water, dip in sanitizer, and dry on clean shirt

Smoking damages the respiratory system by inhalation of a foreign substance, that is absorbed and residue is left behind on our lungs sponge like substance. the gas that is inhaled also increase your blood pressure and dilates your blood vessels. also the process of inhaling and exhaling the smoke it causes irritation to the throat and mouth. smoking can cause lung cancer and other respiratory and circulatory diseases.