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QUESTION 27 (2 marks) The figure below shows global weather patterns. N increased convection strong trade winds cooler than normal water warmer than normal water stronger upwelling [Nk America Australia Identify the factors between the atmosphere and the oceans that are driving the weather pattern shown above.
QUESTION 33 (3 marks) The figure below outlines effects of an increase in atmospheric CO and temperature over time in the world’s oceans. Atmospheric CO and temperature rise Referring to the figure explain how the change in pCO affects the primary productivity of marine biota.
QUESTION 35 (3 marks) The figure below shows sampling of coral cores at two sites on a reef. There is a wastewater facility on the mainland near these sampling sites. This has a seep site that produces nutrient-rich water that has low salinity and low pH. Coral core from site A Wastewater. facility A Coral core @® Seep site v - Coral core Sand » 93 oo ] Coral cover >10% ‘ site B ] Coral cover <10% 0 Compare the coral core data from site A with site B considering the location of the seep site.
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