Missed the week of school when we learned this. 1. some of earth's layers are not solid and are able to flow. true or false? 2. all of the layers have nearly identical densities. true or false? which of the following temperature of earth's layers from hottest to coolest? a. crust, mantle, outer core, inner core b. outer core, inner core, crust, mantle c. inner core, mantle, outer core, crust d. inner core, outer core, mantle, crust