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10 hours ago · The Atlantic meridional overturning circulation (AMOC) is the main current system in the Atlantic Ocean, [ 1]: 2238 and is also part of the global thermohaline circulation, which connects the world's oceans with a single "conveyor belt" of continuous water exchange. [ 29] Normally, relatively warm, less-saline water stays on the ocean's surface ...
10 hours ago · These plates are destroyed by subduction into the mantle at subduction zones. During the early Archean (about 3.0 Ga) the mantle was much hotter than today, probably around 1,600 °C (2,910 °F), [56]: 82 so convection in the mantle was faster. Although a process similar to present-day plate tectonics did occur, this would have gone faster too.
10 hours ago · The boundaries of Auckland are imprecisely defined. The Auckland urban area , as it is defined by Statistics New Zealand under the Statistical Standard for Geographic Areas 2018 (SSGA18), spans 607.07 square kilometres (234.39 sq mi) and extends to Long Bay in the north, Swanson in the north-west, and Runciman in the south. [ 3 ]