Larvae and pupae normally float. They must use their muscles in order to dive down through water. What type of energy is used by the muscles?
I
A. Sound energy from the air
B. Thermal energy from the water
C. Chemical potential energy from their cells
D. Gravitational potential energy from Earth

This flow chart shows the amount of energy that is emitted by each type of light. ultraviolet > blue light > yellow light > red light (maximum energy) (minimum energy) in an experiment, shining which type of light on a strip of metal would be least likely to produce the photoelectric effect? ultraviolet light dim blue light bright red light bright yellow light

What material does not melt at any temperature

Nonpoint source pollution is difficult to control because it