Plates are puzzle-piece like sections of the lithosphere that move over the asthenosphere, carrying pieces of continental and oceanic crust. Which statement about the plates can geologists assume is true?

The first part is correct.

if the thermos has a vacuum innner, then heat through conv currents and conduction are reduced = vacuum flask

i am pretty sure it is c because when people are closer together, they cannot move as freely. picture being in a mostly full elevator, for instance. the people are right next to you, and you can barely move.