8. a major obstacle to developing good human relations skills is that

a. human relations aren't rewarding.
b. few persons have common interests.
c. common interests won't to keep a conversation going.
d. people fear taking risks.

The correct answer is B. few persons have common interests

Awould be the most dangerous

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.