name any three characteristics of igneous rocks?
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i)Normally contains no fossils.
ii)Rarely reacts with acid.
iii)Usually has no layering
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Answer:
Here are some characteristics of igneous rocks :
• Normally contains no fossils.
• Rarely reacts with acid.
• Usually has no layering.
• Usually made of two or more minerals.
• May be light or dark colored.
• Usually made of mineral crystals of different sizes.
• Sometimes has openings or glass fibers.
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