<span>plagioclase feldspars have striations and potassium feldspars don't have striations</span>
Answer:
They spread apart to fill the enclosed object. In other words they move freely...
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Answer:
Scientists use the term magma for molten rock that is underground and lava for molten rock that breaks through the Earth's surface.
Answer:
A family in the periodic table is a group of related elements.
Explanation:
