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Science

Quiz yourself by thinking what should be in each of the black spaces below before clicking on it to display the answer.
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Question
Answer
To break down or wear away. Time and weather breaks down materials.   Decay  
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To break down an organism into nutrients   Decompose  
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An amount of rock or soil layer down in an area   Deposit  
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The natural process where rock and soil are moved from one place to another   Erosion  
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The scientific study of Earth   Geology  
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Dark rich soil formed from decayed plants and animals   Humus  
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Small living plants or animals that can only be seen with a microscope   Microrganism  
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The amount of of water in an object   Moisture  
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A principle stating that younger rocks are above the older rocks   Superposition  
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Breaking down rocks and other materials on Earth's surface. This forms sediment in the soil   Weathering  
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