Question

The lava lamp has a light bulb as a heat source at its base. The lamp contains a colored, waxy fluid that can be observed moving in clumps through a clear liquid.

Which indicates that the clump of waxy fluid at the center of the lamp is moving downward rather than upward?

It is less dense than the surrounding liquid.
Its molecules are losing kinetic energy.
Its molecules begin to slow down before they become faster.
Its temperature increases before it decreases again.

Answer 1

its D no explanation needed

Step-by-step explanation:

Answer 2

The statement which indicates that the clump of waxy fluid at the center of the lamp is moving downward rather than upward is the statement stated in option D. The correct option is D. The lamp has a heat source at the base, which increases the temperature of the waxy fluid making it to melt and move downward.