Answer:
Spanish transcription is:
Propone purificar bacterias en el ecosistema.
Answer:
No tire basura en el parque.
Explanation:
The formal style of writting in spanish is when you talk to people in "Usted" form and that is accomplished by speaking in third person to the person, you never speak in second person to someone that you are approaching formally.
So the only one from the options that is not speaking directly in "You" form rather and a "He/she" form or third person form is "No tire basura en la calle", so that would be the formal command written properly.
4. nuestras, suya
The adjective needs to agree with the noun
Answer:
i would like to go to the rivers and streams. i would also like to learn the culture in person i would want to try it because it seems fun and exciting.
Explanation:
use googl trans to translate the sentence
No hay nadie en la clase.
You should not put "alguien" because that means somebody.