B. the crystals have abundant room to grow in their hollow surroundings
Explanation:
Minerals in geodes form spectacular euhedral crystals because the crystals have abundant room to grow in their hollow surroundings.
Euhedral crystals are crystals that have well formed and defined faces. The opposite term for euhedral is anhedral. Anhedral crystals lacks crystal faces.
When a crystal have abundant room to grow in their hollow surroundings, they grow and develop well without any alteration of their faces.
Crystal faces are destroyed when crystals don't have spaces to grow and they touch each other.
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Platinum crystals brainly.com/question/5048216
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Answer:
Adding impurities to a solution, in most cases, increases the boiling point of the solution. This occurs because the presence of impurities decreases the number of water molecules available to become vaporized during boiling.
Explanation:
Magnetism, or more specifically electromagnetic repulsion
Answer:
They are solid (with the exception of mercury, Hg, a liquid).
They are shiny, good conductors of electricity and heat.
They are ductile (they can be drawn into thin wires).
They are malleable (they can be easily hammered into very thin sheets).
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A, the protons and neutrons are heavier than electrons. The electrons orbit the nucleus, and have negligible mass.
