Which question can be answered using the scientific progress A:should people be made to reuse all bags?
B:Is it right to make people stops using plastic bags?
C:Is the government doing enough to fight pollution?
D:What is the effect of plastic bags on birds?

The answer is D

Explanation:

I apologise for the late answer, but D would be the best one, as it does not discuss morality or anything differing from person to person. The effect it has on birds however, can be readily studied using the scientific method.

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yes, because even though a theory has a  lot of evidence to support it, it is not always true