Two identical spheres are mounted on insulated stands. The first sphere has a charge of –1. The second sphere has a charge of –3. After the spheres touch, what
will the charge on each be?

The ozone hole appears in antarctica during

Since the energy was not raising the temperature of the water during these segments, what was the energy used to do instead? your answer must include an explanation of what is happening to the molecules.

In this thread, i would like you to comment on the nature of light and how operation of telescopes. light has a duality of a particle and a wave; which one affects your life? also how does light interact with optics inside telescopic systems? answer these questions in two paragraphs. then respond the another students response.