Which of the following does not represent a question that can be answered by science?

This race was first held in 1953 on august 16th. every decade the race finishes with a festival. how many years is this?

The sum of the reciprocal of a positive number and the reciprocal of 2 more than the number is 3/4 equation: the number is

An energy drink company claims that its product increases students' memory levels. to support its claims, the company issues advertisements claiming that 8 out of 10 people (chosen randomly from across the country) who tried their product reported improved memory. the missing component in this study is a .