¿Cuáles mecanismos fisiológicos causan un incremento de la rapidez y la profundidad de las respiraciones durante el ejercicio? ¿Por qué es necesario tal incremento?

Were does condensation occur? a) hydroshereb) lithosherec) boishered) atmosphere

Under the soviet system, the government a. controlled all forms of communication. b. allowed newspapers to print whatever they wanted. c. controlled editorials but not the reporting of news. d. encouraged access to a wide variety of news sources. select the best answer from the choices provided a b c d

Which greenhouse gas is emitted when burn fossil fuels for energy? a.nitrogen b.oxygen c.carbon dioxide d.helium