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Home Q & A Board Biology-Related Homework Help Environmental and Conservation Biology
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Nimaa Nimaa
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9 years ago
A water quality expert checked the level of dissolved oxygen in lake water and found it ________.
A) was within normal limits for an unpolluted lake
B) was much higher than normal
C) was low- normal on the surface but extremely low near the bottom sediments
D) very low at the surface and normal near the bottom sediments
E) absent entirely
Textbook 
Essential Environment

Essential Environment


Edition: 4th
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JesuisMelJesuisMel
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Nimaa Author
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#2
9 years ago
Marking this topic solved, solid help.
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