A thick, oily liquid found deep in the earth that is refined and used as a source for gasoline is called ? Petroleum
Reserve
Lumber
Coal

How would the number of moles (n) of o2 change if the atmospheric pressure doubled but all other variables stayed the same

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

Which diagram represents the phase tha occurs after a solid melts?