Match the following circumstances with the principal heat transfer mechanism(s) that apply to the statement:
Sunlight on your skin
Wind blowing across a roof
A. Convection
Person sitting on a hot radiator
B. Convection and radiation
Water boiling
C. Radiation
Person indoors standing in front of a window on a cold day...and feels cold from the window and its draft!
D. Conduction
Air flowing through a heated metal duct