Why is this a scientific question?
"Do people perform better on exams when they wear their favorite color?"
The question is not specific
The question reflects an opinion
The question can be tested by a systematic procedure.
The question asks about phenomena that cannot be measured

The question can be tested by a sistematic procedure

It is a scientific question because it requires research to see if people do receive better exam grades or if they don't receive better exam grades.

Explanation:

b. lithosphere, asthenosphere, mesosphere   is the answer most likely