What percentage of adult deaths is attributed in part to smoking?
a. 10%
b. 20%
c. 30%
d. 40%

This question might depend on the place, and the specific population (it would be more if there are more smokers in the population and less if there are less smokers) but some statistics mention  as many as 40% of adult deaths to be linked to smoking - so the correct answer will be d.

Depression is lifelong, though you can get medication to with it. the difference between sadness and depression is that sadness lasts a little bit, depression last a long time and it goes on and off. people usually get depression through experiences they have been through, or genetics.