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2 Written questions

2 Multiple choice questions

  1. they are once molten and upon cooling, the magma (molten rock) crystallized into solid rock
  2. Forms from basic magma that has cooled slowly within the Earth's crust

1 True/False question

  1. VolcanicCooling may be so rapid that crystals do not have a chance to form and instead a glass is prduced rapid cooling near the Earth's crust


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