Which of these is the best explanation of how a smooth round stone became smooth? -
ANSWERSIt was in a stream for a long time
When a lobster grows a claw to replace one that was lost, the process is called -
ANSWERSRegeneration
Any astronomical body that revolves around a larger body is called - ANSWERSA
satellite
In chemistry, to be classified as an organic substance, a substance must contain -
ANSWERSCarbon atoms
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