Ice melting, water boiling, lighting a match, grape juice freezing. which statement describes evidence of a chemical reaction

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?

Building glycogen from glucose molecules is an example of

What energy is it when you flip on a switch on a lamp