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AssignmentMultiple Select

Temperature and Heat

Question 1 • 25-26 CHEMISTRY IN THE EARTH SYSTEM S1

Which statements best describe energy? Check all that apply.The total amount of energy in the universe remains constant.The total amount of energy in the universe changes constantly.Energy cannot be converted from one form to another. Energy can be converted from one form to another.Energy cannot be created or destroyed.Energy can be created or destroyed.

Answer
A
The total amount of energy in the universe remains constant.
B
The total amount of energy in the universe changes constantly.
C
Energy cannot be converted from one form to another.
D
Energy can be converted from one form to another.
E
Energy cannot be created or destroyed.
F
Energy can be created or destroyed.

Explanation

The law of conservation of energy says the total amount of energy in the universe remains constant: energy cannot be created or destroyed. It can, however, change from one form to another, such as electrical energy becoming light and heat. Therefore, statements A, D, and E are correct.

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