T3W5 TS Q28 – Selective High School

Research suggests that people who complete at least 30 minutes of vigorous exercise each day have a lower risk of heart disease and certain forms of cancer. Unless action is taken to encourage regular exercise, the proportion of people at risk of these diseases is likely to increase.

Which of these statements, if true, most strengthens the above argument?

The proportion of people who complete at least 30 minutes of vigorous exercise each day has been steadily decreasing. The world’s population is expected to continue increasing over the next decade. Many adults prefer exercising outdoors rather than exercising in a gym. Treatments for heart disease and cancer have become more effective in recent years.

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Which of these statements, if true, most strengthens the above argument?