List three rock cycles you can start anywhere but each cycle must begin and end at the same point

What is the number of moles of chemical units represented by 9.03x10^24? and how do i show work? (dumb it down )

What is the solubility of substance?

Which process does not require the presence of a physical substance in order to transfer heat? air in the atmosphere is heated by the ground. this warm air then rises, and cooler air falls. this is an example of what type of process? how is conduction different from radiation?