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The earth’s crust
Question | Answer |
---|---|
What is the earth’s crust made up of? | Tectonic plates |
What are the two types of tectonic plates? | Oceanic and continental |
What is the name for where plates meet? | Plate boundaries or margins |
How does volcanoes occur? | By magma escaping onto the surface |
How does earthquakes occur? | By the plates grinding past each other |
What are traits of the oceanic crust? | Thinner and heavier, gets destroyed at margins and is newer |
What are traits of the continental crust? | Makes up the land we live on, thicker but lighter, does not get destroyed and is older (Billions of years old) |