Marine ecosystems provide many goods and services to humans, including ________.
A) transportation routes to ship products
B) being key components in global cycles and energy flows
C) provision of food and medicinal products
D) All of the above
Correct Answer:
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Q1: One of the major difficulties working against
Q2: Researchers from Oxford University recently discovered a
Q3: Generally, nutrient concentrations _ with depth because
Q4: The oceans cover more than _ of
Q6: The world's oceans account for _ of
Q7: On land, water availability is the most
Q8: Oceanic productivity typically _ with depth.
A) decreases
B)
Q9: The most productive ocean areas are _.
A)
Q10: A thermocline is _.
A) the transition in
Q11: The deepest part of the ocean is
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