The majority comes from the ocean, while a small percentage comes from trees
Answer:
At divergent boundaries, sometimes called constructive boundaries, lithospheric plates move away from each other. There are two types of divergent boundaries, categorized by where they occur: continental rift zones and mid-ocean ridges. Continental rift zones occur in weak spots in the continental lithospheric plate. hope this helps :)
Heat convection. Convection is heat transfer by mass motion of a fluid such as air or water
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