You forgot the rest of the question...
Answer:
Accelerando-gradually getting faster
Accent-Emphasized
Adagio-slowly
Allegro-fast
Fermata-pause
Largo-a little slower
Moderato-moderate speed
Ritardando-A little faster
Staccato-play the note short
Answer:
Probably because dinosaurs are extinct
Explanation:
Is to minimize the number of notes
City Beautiful
I hope that this helps