Answer: 80-90%
Explanation: "Cigarette smoking is the number one risk factor for lung cancer. In the United States, cigarette smoking is linked to about 80% to 90% of lung cancer deaths. Using other tobacco products such as cigars or pipes also increases the risk for lung cancer." - cdc.gov
You didn't put any of the options but I would probably say something like because America is becoming obese and fat.
Answer:
conception
Explanation:
I learned it in sixth grade by accident cuz my teacher didn't know the schools health learning protocol she was new and no one liked her
Answer:
During adulthood, about 8% of fat cells die every year only to be replaced by new ones. As a result, adults have a constant number of fat cells, even those who lose masses of weight. Instead, it's changes in the volume of fat cells that causes body weight to rise and fall.
Explanation:
I hope it helps you...
