Answer:
B. halocline
Explanation:
it is a zone in the oceanic water that changes depending on the depth
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You would expect snow to fail at the peak or the top because the weather is coldest there.
Adding perchloric acid to water would cause it's conductivity to increase.
Answer:
Pollution, non native species being introduced, and other human activities
Explanation:
Human activities affect marine ecosystems as a result of pollution, overfishing, the introduction of invasive species,and acidification, which all impact on the marine food web and may lead to largely unknown consequences for the biodiversity and survival of marine life forms.