pglet pglet
  • 03-10-2020
  • Biology
contestada

Because magma cools very quickly when it erupts onto the earth's surface
the crystals in the rock don't have much time to grow and this often results in
these 2 characteristics of extrusive igneous rocks

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Аноним Аноним
  • 03-10-2020
Igneous rocks can be glassy crystallized or have gas bubbles from air that escaped as it cooled
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