Un mesero sirve la comida.
this question translates to:
How the sun clock works Why does the shadow help measure time?
I guess the answer would be this:
As the sun's position changes in our sky, the shadow it casts will align with lines marking each hour indicating the time of day
1. A
2. B
3. B
4. C
5. C
6. A
7. C
8. B