The world's oceans account for ________ of global primary productivity.
A) 50 per cent
B) 30 per cent
C) 70 per cent
D) 90 per cent
Correct Answer:
Verified
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
Q5: Marine ecosystems provide many goods and services
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
Unlock this Answer For Free Now!
View this answer and more for free by performing one of the following actions
Scan the QR code to install the App and get 2 free unlocks
Unlock quizzes for free by uploading documents