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Posted by on Sunday, January 29, 2012 at 11:59pm.

Which of the following is a situation where an object’s potential energy varies as a result of changes due to its chemical composition?

The melting of ice.

The burning of wood.

A ball rolling down a hill.

A parachute slowing a skydiver's fall.

  • chemistry - , Monday, January 30, 2012 at 12:07am

    the only chemical change there is the burning of wood.

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