Chemistry, 01.12.2020 01:30, Treezy11

Obsidian is a type of igneous rock. How do igneous rocks form? from the cooling of magma

from the modification of existing rock

from the cementing of sediments

from the evaporation of waterObsidian is a type of igneous rock. How do igneous rocks form?(1 point)

from the cooling of magma

from the modification of existing rock

from the cementing of sediments

from the evaporation of water

Answers: 2

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Obsidian is a type of igneous rock. How do igneous rocks form? from the cooling of magma