Which of these is not a medium through which light can travel?

A. saltwater

B. freshwater

C. clear plastic

D. black quartz

Energy conservation is the process by which one kind of energy changes into a another and when energy is converted this way it's not lost or used up. true or false

Not Physics! Philosophy! Locke believes we have two kinds of ideas. What are they and how does he distinguish between them?

how far can your little brother get if he can travel at 2.5 m/s and in 5 seconds you will discover that his gin has run out of paint?

Which scale is being described? Water freezes at 32. Water freezes at 0. Water freezes at 273.

Prepare a report on "Production of electricity in UAE"

Which of the following statements about electrons is not true? A) Electrons orbit the nucleus rather like planets orbiting the Sun. B) Within an atom, an electron can have only particular energies.

In longitude waves, the medium moves parallel to the direction of energy transport

Thomsonâs experiment is credited with the discovery of which particle?

When you drop a pebble from height h, it reaches the ground with kinetic energy k if there is no air resistance. from what height should you drop it so it will reach the ground with twice as much kinetic energy?

Explain two ways that technology has had a positive impact on the environment and two ways that it has had a negative impact on the environment.