Here are the answers to your questions:
Question 1
A) Which of the following is not recyclable?
- el barrio (the neighborhood) is not a recyclable item.
Question 2
A) Which phrase would you use to tell someone that something was "unforgettable"?
- inolvidable (unforgettable).
Question 3
A) Which phrase would you use to say "again"?
- otra vez (again).
Question 4
A) In 1821, México declared their _______.
- independence from España.
Question 5
A) What do las pepenadores do?
- scavenge the trash for plastic bottles.
If you have any more questions or need further clarification, feel free to ask!