O las mochilas would be or the backpacks not the backpacks
Answer: C) Tenemos
The verb tener (to have) needs to be conjugated in the 'we' form, because the speaker is talking about him/herself plus others.
Answer: the answer is A
Explanation: between the principal products are grains, Petroleum, and derivatives
Answer:
B. El sombrero de Pedro es más oscuro que el sombrero de Marta.