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How have human activities modified ocean systems?

F Discarded plastics can trap, suffocate, and
cause gastrointestinal problems for marine life,
resulting in starvation.
GRunoff with excessive chemicals can increase
nutrients, resulting in more plant growth and
reducing the dissolved oxygen content of
the water
H Oil from oll spills penetrates the fur and
feathers of organisms, causing vulnerability to
temperature changes and decreasing buoyancy
in water.
All of the above

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Answer:

all of the above.

User Ken Lange
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