Which substance is likely to be produced when the dissolved oxygen in a lake is depleted?
A) methane
B) hydrogen
C) nitrite
D) bicarbonate
Correct Answer:
Verified
Q32: Acid rain contains
A)potassium carbonate.
B)sulfuric acid.
C)boric acid.
D)potassium chloride.
Q33: Under aerobic conditions,the carbon in decaying vegetation
Q34: The metal ion found in clays and
Q35: Super bugs are
A)insects that can fly for
Q36: Algae bloom can be stimulated on a
Q38: Algae growth and death in a lake
Q39: Which of these common human activities contribute
Q40: The most serious threat to human health
Q41: A major source of groundwater contamination is
Q42: A contaminant in well water in many
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