Soy (yo form, present tense) - use when describing traits about yourself (permanent traits, not thoughts/feelings/locations/etc)
Era (yo/el/ella/usted form, past tense) - directly translates to 'was.' use when describing something 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.
Maybe this would help..
1. Start at your house in the city.
2. Keep right on Calle Bolívar.
3. Continue two blocks.
4. Turn left onto Avenida Libertad.
5. Cross Main Street.
6. Pass the bakery and the shopping center.
7. Continue to the stadium, and turn onto Calle San José.
8. Cross Avenida Colón.
9. Continue to Avenida Presidente.
10. Turn right.
II. Quick, turn right onto Camino Aguajito.
12. Finish first place on the left