I think it's nadar because "va al mar" means he is going to the sea. Therefore, he would be going to swim.
Answer: a las personas adultas ellos pueden vivir solos pero si son
Niños los mandan a un orfanato o si no otros se quedan en la calle.
The above answer is wrong. The correct answer is invierno.
La vida in Spanish means the life in english. SO you can say 'Mi vida es bueno', saying that your life is good.