Answer:
The missing options are:
a) 90%
b) 30%
c) 50%
d)about the same number that die in plane crashes.
The correct option is c) 50%
Explanation:
According to 2015 statistics, fifty percent of lifelong smokers die before the age of 70, living 10 or 13 years less than a non-smoker. The most common causes are cancer in areas of the respiratory pathway, such as the mouth, the lungs or throat, and heart diseases.
