The best answer to the question "What percentage of adult deaths is attributed in part to smoking?" is:
D. 40%
Here's why: Smoking is a major risk factor for various health conditions, including heart disease, cancer, and respiratory diseases. Studies have shown that approximately 40% of adult deaths can be attributed in part to smoking. This high percentage highlights the significant impact that smoking can have on an individual's health and overall mortality rate. By choosing option D (40%), you are acknowledging the substantial contribution of smoking to adult mortality rates.
