Which are the characteristics of a maritime polar air mass? a. cold and humid air b. cold and dry air c. warm and humid air d. warm and dry air

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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

Where does the availability of water pose the greatest problem