The mid-ocean ridges are elevated above the surrounding seafloor because Ridge rocks are hot and therefore of relatively less dense than adjacent cooler oceanic crust.
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International integration refers to the process by which supranational institutions replace national ones. Supranationalism challenges the foundations of realism (state sovereignty and territorial integrity) because the sate authority is subordinated to the global structure it can be perceived as giving up sovereignty.
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Explanation: I learned about this last year and thats what my teacher said
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Ice sheets
Explanation: I took the quiz
Acid - an acid is a chemical species that donates protons for hydrogen ions and or excepts electrons. Most as it’s contain hydrogen atom bonded that can release (dissociate) to yield the cation and anion and water.