The earth is composed of multiple layers, which can be defined either by composition or by mechanical properties. this layer is key to plate movement. it is a solid but flows like a very viscous fluid. it is the a: mesosphere b: lithosphere c: lower mantle. d: asthenosphere

Aball thrown by ginger is moving upward through the air. diagram a shows a box with a downward arrow. diagram b shows a box with an upward arrow. diagram c shows a box with a downward and upward arrow equal in size. diagram d shows a box with a downward and upward arrow with the downward arrow larger in size. which force diagram represents the forces on the ball? you may neglect the effects of air resistance.