Ice Ages, long periods of time when thick ice sheets cover large areas of the planet, have occurred throughout the history of the Earth. The most
recent ended about 10,000 years ago. At that time, it covered
approximately one-third of the planet with ice. These frozen periods
affected many aspects of the physical and human habitat of the Earth.
How would an Ice Age affect the biosphere?"

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