hola queria saber cualn era el régimen fluvial de los rios: Paraguay, Uruguay, De la plata, amazonas, Orinoco, Paraná, San lorenzo. (se que son muchas cosas pero no es nececario que me respondan todas, con que respondan 1 esta bien y muchas gracias)

Which of the following statements best describes what is occurring in the land surrounding the sahara desert? a desertification is increasing, and the desert is expanding. b. fewer people are trying to farm in this semiarid region. c. the desert is shrinking with the increased use of irrigation. d. increased urbanization has resulted in decreased deforestation. select the best answer from the choices provided mark this and return save and exit next submit