Answer
Con el poco texto que nos das podemos deducir que es la contaminación marina.
¿Cuál NO dice María?
Answer: Juan es el más inteligente.
Explanation: Because if María says this she would be recognizing that Juan is more intelligent than her and always people believe that they are smarter than other people.
La chica bonita
Is the right answer
Here u go hope this helps. I am fluent just didn’t want to type all of that.
Marta va al depósito de grúa a recoger su auto