In an electrolytic cell, where does the oxidation occur? a anode b cathode c external power source d salt bridge

What are the 4 phases of matter in order of increasing engery content?

The formation of a solid, also known as a is an indication of a chemical change. precipitate particulate particle powder

Diffraction is when light is bent around obstructions. which of the these observation about clouds would indicate diffraction? a) after rain storms, you can sometimes see rainbows. b) clouds are white or gray and cannot be seen through. c) on a cloudy day, the temperature tends to be cooler than a sunny day. d) the edges of dark clouds appear lighter. this