Hypoxic zones, or dead zones, are: Surface water bodies or groundwater systems with pH that is so low the water becomes

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Hypoxic Zones Or Dead Zones Are Surface Water Bodies Or Groundwater Systems With Ph That Is So Low The Water Becomes 1 (130.31 KiB) Viewed 289 times

Hypoxic zones, or dead zones, are: Surface water bodies or groundwater systems with pH that is so low the water becomes too acidic for animal life Surface water bodies that have been inundated from seawater intrusion that they are too salty to support freshwater aquatic species Surface water bodies with very cold temperatures that no animals can live in them Surface water bodies with such low oxygen concentrations that animal life suffocates and dies There are over 75,000 dams in the US. When did the 'boom' in dam building occur? Early part of the 1900's soon after World War II During the early 2000's During the Great Depression Groundwater accounts for nearly 40% of California's water supply in years with average precipitation, and accounts for. of the water supply in drought years. less hore the same amount O an unknown amount What percentage of all stream miles in the U.S. are fourth order or larger? O 1% 15% O 50% 85%