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Mark places four objects in a tank of water. He makes the following observations.
A beach ball floats.
A penny sinks.
A soda can floats.
A piece of chalk sinks.
Which statement is correct based on Mark's observations?
The beach ball and the can of soda have a density greater than water.
The penny and the chalk have a density greater than water.
The beach ball and the can of soda have a density equal to water.
Small objects always sink in water.
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