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Chapter 7
The rock Cycle Vocabulary
Question | Answer |
---|---|
Weathering | The breaking down of Earth's surface into pieces. |
Mineral | A solid substance that occurs naturally in rocks or in the ground. |
Humus | The remains of decayed plants and animals. |
Erosion | The process of moving sediment to other places. |
Rock cycle | The changing of rocks over time. |
Horizon | A layer of soil. |
Bedrock | The bottom layer of soil. |
Igneous | The type of rock that forms when melted rock cools and hardens. |