Question #6421732Single Choice

Algebra-1

Question

Decades of research have shown that people who smoke are much more likely to develop lung cancer than those who do not. Scientists conclude that smoking causes lung cancer.

Which of the following is the strongest reason why this conclusion is valid?

Options

The studies consistently show a high correlation between smoking and lung cancer across various populations and time periods.

People who smoke tend to have other unhealthy habits that increase the risk of lung cancer.

Smoking is associated with lung cancer, but other factors like genetics could play a bigger role.

Experiments have demonstrated that harmful chemicals in cigarettes damage lung tissue and can lead to cancer.

Answer & Analysis

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