When scientists disagree, a. a new method of doing things must be devised. b. each must take sides and develop a new area of science. c. philosophers must be called in to settle the argument. d. scientific experimentation and debate can settle the differences of opinion.

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