Answer:
<em><u>Colon cancer</u></em>
Explanation:
With environmental and genetic factors, lifestyle is also an important factor to cause cancer. People who do not perform many physical activities or less active can have more chances of colon cancer. The exact reason for colon cancer is not known but the sedentary lifestyle is a factor to causes colon cancer.
Pretty sure the answer is letter C.Hope I helped.
Answer: what do you mean?
Explanation:
Second Hand Smoke is the correct answer