Explanation:
Intrusive igneous rocks cool from magma slowly because they are buried beneath the surface, so they have large crystals. Extrusive igneous rocks cool from lava rapidly because they form at the surface, so they have small crystals.
The earths inner core is made of iron and nickle
Answer is in a photo. I can only upload it to a file hosting service. link below!
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Answer:
shale
Explanation:
The rock being described is Shale