It means ‘where it is’ lol-
Answer: (translated: What things do you use every day you recycled or not recycled before and what do you recycle now?
)
water bottles, glass, plastic things, and cardboard
Explanation: Because they want you to recycle things you can reuse, well you can reuse plastic, cardboard, and etc.
1) matematicas y ciencas
2) una mochila y pluma
3) reunión
4) doce de la tarde
5) guitarra