What is one way that genetic engineering is already being used to treat diseases in humans?

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?

Decide if the following sentence is grammatically correct or incorrect. cuando nosostros iban de vacaciones sale todo mal.

Limpio la casa todos los días tengo una alergia al polvo. a. cuando b. si c. porque d. pero