D. British Columbia, I think. I'm not 100% sure though. Hope that helps.
I love this picture and it explains a lot so as I looks at it I give me details a lot of them so I think it great 10/10
Very suscesful music I think
3. Dynamics indicates the loudness or softness of music.
4. A decrescendo is used to indicate that the music should gradually become softer.
12. The dot after a note increases its value by half of its original value
13. Allegro is a commonly used tempo marking, indicating to move at a brisk tempo.
Sorry I don't know all of the answers, hope this helps!