Answer:
The best way to save others from the hazard is to Remove it immediately.
Explanation:
I think it's A. Tell me if I'm wrong.
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<span>If cancer, stroke, and heart disease were eliminated, demographers estimate that the life of an average 70-year-old would be extended approximately 7 years.It is because these are the major diseases that target the middle aged people.If these are eliminated people would be more heslthy and enjoy a longer life span</span>