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Fast-flowing waters of the Humber River, Newfoundland, are a challenge to Atlantic salmon migrating
Species of reef-building corals may be able to adapt to warming waters by relying on algae
This painting depicts New Orleans in 1803, when the city was acquired—along with much of the modern
Major trunk lines carrying long-distance traffic crisscrossed the area east of the Mississippi. The
The process of ventilation: inspiration and expiration.
Downwelling occurs when surface waters cool, and also when they lose moisture through evaporation. ...