Which of the following explains why it took so long for the public to accept the negative health effects of smoking? A. People were waiting for counter reasons, and those were presented.

B. Cigarettes were cheaply available and media channels were very inefficient.

C. Scientists had not completely finalized their results, which took 30 years.

D. Cigarette manufacturers were trying hard to bring an alternative into the market.

the glands which are associated with each description is given below:

pancreas - is an endocrine and exocrine gland that secretes juices with enzymes for digestion. salivary glands- with protection and digestion in the mouth. liver- secretes bile for digestion.   lachrymal glands - secrete tears to moisten eyes and protect them from particles and infection.   sweat gland -regulates water, salt, and temperature. oil glands - to form a protective barrier on the skin.   goblet cells - secrete mucus for protection.