The total amount of energy in the universe never changes, but the amount of energy available for work at any given moment varies tremendously What best explains this change in available energy?
O A Energy can only be created through nuclear reactions
OB Energy is continually changing from one form into another.
O
C Energy is always transferred as heat.
OD. Energy is always converted with 100 percent efficiency

On a hot saturday morning while people are working inside, the air conditioner keeps the temperature inside the building at 22degreesc. at noon the air conditioner is turned off, and the people go home. the temperature outside is a constant 33degreesc for the rest of the afternoon. if the time constant for the building is 4 hr, what will be the temperature inside the building at 4 : 00 font size decreased by 2 upper p . font size decreased by 2 upper m .? at 6 : 00 font size decreased by 2 upper p . font size decreased by 2 upper m .? when will the temperature inside the building reach 24degreesc? 324281