Answer:
This does not seem like a right or wrong answer but is just a personal question that applies to you. It's asking you to check whichever statements apply to you personally unless I'm missing something.
ask gooooogggllleeeeeeeeeee
It means the scientific study of sight and the behavior of light, or the properties of transmission and deflection of other forms of radiation
encouraging readers in the end to look at their world in a more quantitative way