Where would one find most of the volcanoes and earthquakes zones in the world and why? answer needed !

The mantle is made up of which structural zones?

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

Migrant workers who fill employment needs in their host country often send remittances to their home countries