the answer is A. Imperfecto progresivo.
The progressive imperfect is used to express something that was taking place in the past. It is formed using the verb to be in past (in this case: estaba) plus the verb ending in ing (ando, endo, in this case: cantando). It is mainly used for: on-going actions that were happening in the past.
Answer:
A
Explanation:
Friction because it focuses on force that you use to push the chair and friction is stronger than inertia.
1. earthquake
2.Alberto heard the music of the party and left home.
Alberto heard the music of the party when he left home
3.B: <span>se cayo
4: c </span><span>puso</span>
