What positions do the longitude lines mark? a. east and west hemispheres b. north and west hemispheres c. south and east hemispheres

Which of the following statements about the migration of workers to other countries is false?

Which of the layers of the earth has the following three characteristics? i. it is a solid outer layer. ii. it is between 3 and 30 miles thick. iii. it is separated into plates. a. the outer core b. the inner core c. the mantle d. the crust

Which soil layers comprise the topsoil? o horizon a horizon b horizon c horizon