When energy is transferred from one part of a system to another, some of the energy is lost during the transfer and cannot be used as it was intended. Which Two sentences describe examples of this? A. Stereo speakers emit sound when powered by electrical energy. B. Sunlight strikes a solar panel, generating electricity. C. Friction between the moving parts of an airplane engine warms the parts as the engine burns fuel. D. An electric motor heats up as it powers a blender. E. Wind moves a turbine, generating electricity.

answer;

d. are made mostly of liquid

explanation;

-the general   composition and structure planets includes; they have a thick gas and liquid layer covering a small,solid core. mostly the gases are hydrogen and helium atmosphere and layers of liquid hydrogen. for instance neptune and uranus are examples of the outer planets, they have a core covered by ice and ammonia.

-neptune's atmosphere is hydrogen and helium with a bit of methane so there is no oxygen to breath and the interior is made up of frozen water and ammonia with a rock and iron core. thus, there is no liquid water or solid surface to survive.