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AssignmentMultiple Choice

Energy Flow in Ecosystems

Question 1 • FL-2002070-M/J Comprehensive Science 2

Which statement accurately summarizes the law of conservation of energy?

Answer
A
Energy in the universe is always changing in quantity.
B
Energy can change from one type to another.
C
Energy can be created or destroyed.
D
Energy and mass are not related to each other.

Explanation

The law of conservation of energy says that energy cannot be created or destroyed; the total amount remains constant in a closed system. It can, however, change from one form to another, such as electrical energy becoming light and heat, so “Energy can change from one type to another” is accurate.

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