About 30% of earth's freshwater is found in
a. the ocean
b. lakes and rivers
c. glaciers and ice caps
d. underground aquifers

Orion the hunter is known for two navigational stars. which pair of stars are they?

These factors threaten north americas ecosystems

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