Potassium and chlorine react to form potassium chloride. a- It is a redox reaction. Explain why. b- See if you can write the balanced half-equations for it.

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?