Please answer the questions.At a campfire, energy moves from the source which is the_________ to the sink which is the ____________ until both reach ___________ ________________._______________ is the transfer of heat by the collision of atoms or molecules. They are most effective in ______________.Give an example of this process ______________ is the transfer of heat in a liquid or gas.Warm fluids are _________ dense and therefore _______.Cool fluids are _________ dense and therefore ________.Give an example of this process_______________ is the transfer of energy through electromagnetic waves.Name the electromagnetic spectrum_________ ________, __________________, _________ ________________, ____________ __________, __________________ ________________, _________, and __________ _________.No ______________ is required for electromagnetic energy to travel through.