How would you use the present progressive to say that you are writing a book?

What is the main idea of this audio passage? transportation in latin america . where is this conversation most likely taking place? en la casa what advice is given to joel? don't fall in love with margarita. what is this person doing? giving directions to the university. what is david's problem? he wants to exercise more but he doesn't have time. these are all the right answers on edge spanish2 someone answer to keep the question

Rio negro es una provincia de muchos huertos

What groups of species are alive, eukaryotes, symmetrical, have backbones, and are tetrapods? (didn't mean to put spanish)