What is going to happen to a balloon filled with helium that is left in a car over night when the temperature drops approximately 20 degrees

The clouds are grey and ground is wet. a quantitative b qualitative

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

Will mark brainliest how many electrons can be held in the energy level n = 4?