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Steven puts the two stones in a rock tumbler. The tumbler spins so the rocks bump against each other. When the rocks are removed , he discovers that pebble one experienced more change than pebble two . What can Steven best conclude about the stones ?

Steven puts the two stones in a rock tumbler. The tumbler spins so the rocks bump against each other. When the rocks are removed , he discovers that pebble one class=

Answer :

jules92677
F. Stone 1 is softer and experienced a greater physical reaction.

Physical reaction is when an object's appearance changes, not the identity (which would be chemical reaction). Because stone 1 is softer, it would be easier to change its physical property. Since stone 2 is harder, it's more durable and therefore harder to change. 

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