Answer:
More crystals in the magma allow for the formation of more gas bubbles, making an eruption more explosive. The explosiveness is also affected by the rate at which pressure is dropped. Magma gases have more time to escape if it moves slowly toward the surface.
Explanation:
<span>Malleability: crushing a can doesn't break it, it just bends and distorts the shape.
Conductivity: electrical current will go straight through it, and heat will transfer quickly from one part to another.
Lightness: Aluminium is light enough anyway, but for the volume it carries, there is virtually no weight at all.
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<span>Strength: a couple of dozen cans is enough to support a grown man.</span></span>