What percentage of the African population will likely experience water stress by 2025?

A) 10% B) 95% C) 75% D) 50% E) 25%


C) 75%

Environmental & Atmospheric Sciences

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At a concert, a wind blows directly from the orchestra toward you. Consequently, the wavelength of the sound you hear will be

A) decreased. B) increased. C) neither decreased nor increased.

Environmental & Atmospheric Sciences

Cyclone     ? The following questions refer to the above illustration of a middle-latitude cyclone. The dashed lines show the positions of the fronts six hours ago. At which location represented by the four positions on the map would you expect to hear the following 12-hour forecast: "Clearing and colder today with continued rising pressure"?

A. position 1 B. position 2 C. position 3 D. position 4

Environmental & Atmospheric Sciences

The soil-forming factor that has the least effect in differentiating soil at the local level is ____

a. parent material b. land surface configuration c. climate d. vegetation type e. organic activity

Environmental & Atmospheric Sciences

Which climate type is found in the highest latitude of all midlatitude climate regions?

A. Dfd B. H C. Dfa D. E E. Dfb

Environmental & Atmospheric Sciences