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Questions and Answers
What causes rocks to crack and break into pieces?
What causes rocks to crack and break into pieces?
- High pressure from the Earth's core
- Direct impact from meteorites
- Chemical reactions with the atmosphere
- Expansion and contraction due to cool nights and hot days (correct)
Which type of rock is formed when dissolved minerals come out of water?
Which type of rock is formed when dissolved minerals come out of water?
- Metamorphic
- Clastic sedimentary
- Chemical sedimentary (correct)
- Igneous
What kind of rocks are commonly black, soft, and contain fossils?
What kind of rocks are commonly black, soft, and contain fossils?
- Chemical sedimentary
- Igneous
- Organic sedimentary (correct)
- Metamorphic
What is the process called when sediment melds together to form rock?
What is the process called when sediment melds together to form rock?
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Which sedimentary rock is commonly used for chalkboards?
Which sedimentary rock is commonly used for chalkboards?
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