determine the saltiness of sea-water

  • 1Amazon River — Portuguese Rio Amazonas River, northern South America. It is the largest river in the world in volume and area of drainage basin, and only the Nile River of northeastern Africa exceeds it in length. It originates within 100 mi (160 km) of the… …

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  • 2hydrosphere — /huy dreuh sfear /, n. the water on or surrounding the surface of the globe, including the water of the oceans and the water in the atmosphere. [1885 90; HYDRO 1 + SPHERE] * * * Discontinuous layer of water at or near the Earth s surface. It… …

    Universalium

  • 3Northwest Passage — For other uses, see Northwest Passage (disambiguation). Northwest Passage routes The Northwest Passage is a sea route through the …

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