Which statement about earths layers is true? A. They all consist of liquid rock
B. They each vary in size and temperature
C. They are all under an equal amount of pressure
D. They will soon combine, forming a single, thick layer

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