Question

Which is the best example of an isolated system?

an electric kitchen appliance, such as a dishwasher or refrigerator
a natural body of water, such as a lake or river
a pendulum in motion inside a sealed, empty room
a frog egg that develops into a tadpole, and then an adult frog

Answer 1

The best example would be a pendulum inside a sealed empty room.

Step-by-step explanation: