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babbybronx
09.04.2021 •
Chemistry
In 1950 the pH of the pond water was 8.2, but by 2000 the pH had decreased to 5.2.
Which of the following changes would also be expected in the pond over the same time period?
I. Increased levels of dissolved oxygen.
II. Increased levels of heavy metals.
III. Increased number of fish species.
a) I only
b) II only
c) III only
d) II and III
e) I, II, and III
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