When two solid objects are sliding past one another, the force that opposes this motion is . When two objects are not moving relative to one another but are still in contact, the force that resists the initiation of a sliding motion is .

Arock can be broken down into different kinds of substances by physical processes. no chemical reactions are needed to separate different parts of a rock into pure substances. this is because a rock is a(n)

Amount of liquid measured in l or lm

What are the first two quantum numbers for the electrons located in subshell 4d? what are the first three quantum numbers for the electrons located in subshell 2s? how many electrons can be held in a sublevel l = 3? how many electrons can be held in the energy level n = 4? how many electrons in an atom can share the quantum numbers n = 4 and l = 3?