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Questions and Answers
What percentage of the weight of the continental crust do rock-forming minerals represent?
What percentage of the weight of the continental crust do rock-forming minerals represent?
- More than 98% (correct)
- Less than 50%
- Approximately 90%
- Around 75%
Which type of rock is formed by the accumulation of rock fragments?
Which type of rock is formed by the accumulation of rock fragments?
- Igneous rock
- Granite
- Metamorphic rock
- Sedimentary rock (correct)
Which group of rocks is not included in the rock cycle diagram?
Which group of rocks is not included in the rock cycle diagram?
- Magmatic rocks (correct)
- Igneous rocks
- Sedimentary rocks
- Metamorphic rocks
What are the three broad groups of rocks in the rock cycle diagram?
What are the three broad groups of rocks in the rock cycle diagram?
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