Who goes to k12 and is in 7th grade i need a study partner

Ibelieve this would be an obstacle.

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. 

Iwould have to go with the last one "have personal value and positive expectations."    hope it : 3 if im wrong tell me

Answer(d) application of hot and cold packs;