Please answer this: -  A large rocky area is formed - The rocky area has a higher elevation than the surrounding areas - Water from precipitation falls in the area - The water forms a stream - The stream flows towards lower elevation - The stream becomes a river - The river continues to flow along the same path for a long time - The river erodes the rocky area that it touches  What might be the last step of the process?
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Answer: The eroded area cuts deeply into the rock.


Please answer this: -  Air is drawn in through the mouth - The air goes down the esophagus - The air moves into the lungs - The carbon dioxide is removed - The remaining oxygen enters the body  What might be the last step of the process?
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Answer: The remaining carbon dioxide is expelled through the mouth.


Please answer this: -  Plants and animals long ago died - They are buried under layers of soil - Pressure builds over time - The remains liquefy  What might be the last step of the process?
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Answer: