Which statement about 'Rocks' is correct?
- a. All rocks are identical and never change.
- b. There are three major rock types.
- c. Marble is an igneous rock from lava only.
- d. Sedimentary rocks form only in outer space.
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Which term best matches this meaning: Continuous transformation of rocks
- a. Rock cycle
- b. Lava
- c. Sedimentary rock
- d. Magma
What is the best meaning of 'Lava' in the topic 'Rocks'?
- a. Molten rock on surface
- b. Rock changed by heat and pressure
- c. Rock from cooled magma or lava
- d. Molten rock below surface
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