Javier is going to construct a physical model of Earth. What is the correct order, from inside to outside, of earths layer? A. Crust, mantle, outer core, inner core

D. Lithosphere, asthenosphere, mesosphere, outer core, and inner core

( those are the two choices I ended up with and don’t know which one it is)

Sarah and john are having a discussion on genetic diversity. sarah believes that it happen over a long period of time. john it happens immediately. who is correct? a. sarah is correct because genetic diversity occurs over a long period of time. b. john is correct because genetic diversity occurs immediately. c. both are correct because genetic variation can occur or long period of time. d. neither are correct because genetic diversity occurs over any period of time