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skad [1K]
3 years ago
11

The dissolved oxygen in a reservoir was monitored for one year. Based on this data, what might greatly reduce the available diss

olved oxygen in an aquatic habitat?
A) thermal pollution
B) fertilizer run-off
C) increased water turbidity
D) decrease in pH due to acid rain

Biology
2 answers:
matrenka [14]3 years ago
3 0

Answer:

I would say A

Explanation:

Judging from the graph, you can tell that the dissolved oxygen line (the black one) is lowest during July and some parts of September ( or between those two). At the same time, you can see the blue line - for water temparature - is highest; which means that an increase in temperature ( or thermal energy) results in lower dissolved oxygen. The only answer choice that relates to higher temperatures is A, thermal pollution which is just a result of companies or people using natural bodies of water for industrial purposes.

photoshop1234 [79]3 years ago
3 0

From the looks of the graph the answer should be A!

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