Geoscience Reference
In-Depth Information
phenomenon that has expressed itself through a succession of differ-
ent chemical patterns and processes, which have waxed and waned
over time. These processes were pushed and pulled by tectonics,
climate, and biology (and, to reciprocate, they did their fair share of
pushing and pulling the climate and biology of the day).
The changing saltiness of the oceans has another function, day-by-
day and year-by-year. It helps stir and mix the oceans and drive the
great ocean currents. The Earth's elaborate liquid conveyor belt is our
next port of call.
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