Use the table of temperatures measured in two areas of a house to answer the question.
Area: Downstairs- Temperature: 22C
Area: Upstairs - Temperature 26C
Which statement best explains the temperature difference?
A) The cooler air downstairs loses energy to the environment.
B) Energy from the cooler air is transferred upstairs.
C) Energy is transferred between the area when the molecules touch.
D) Warm air rises by convection to the upstairs.