¿cual es la formula de un hidrocarburo gaseoso cuya densidad a 28° c y 5 atmósferas es 5.28 g/l?

How would you express the following question in english? : ¿cuántos libros hay? a. there are so many books. c. how many books are there? b. how much are the book? d. are the books many?

Answer the following questions using 6 to 8 complete spanish sentences. what is your opinion of bullfighting? if you were in mexico or spain, would you attend a bullfight? why or why not? are you aware of any controversial traditions in your culture? how is that tradition similar to or different from the tradition of bullfighting?

Fill the blank with a la, a las, a los, or al. mi padre .