Help me with this please

Choose the correct use of the spanish preposition para in the following sentence. para aprender un idioma bien, hay que practicar fuera del salón de clases. "in order to," followed by an infinitive "to," referring to a destination "by," referring to a deadline intended for a goal or destination

What kind of molecules is being released by cellular respiration and used in photosynthesis?

Hola! necesito una redaccion de si debe el estado proteger los derechos de los grupos más vulnerables y por qué? graciaasss