Refines y proverbios ? what do you mean ?
Quieres que te lo traduzca a español o qué quieres que haga estoy confundida
The surface of alveoli is thin and moist, alveoli has a very large surface area in total;plenty of room for gas exchange, and the surface of alveoli is covered with capillaries.
Answer:
The answer is B because a is to know and we just want know because it would not make sense if it said my sister know to how dance salsa
Explanation:
