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6. Which is correct?
- Spring tides = constructive interference
- Spring tides = destructive interference
7. Thermohaline circulation is generated by
- differences in water temperatures
- differences in salinity or temperature
- differences in sedimentation rates and temperature
8. What comprises of the: intertidal/littoral zone, sublittoral zone, bathyal zone, abyssal zone and hadal zone?
- The aphotic zone
- Benthic
- The pelagic
9. What is the ppt salinity of sea water?
10. How many types of wave are there?
11. Destructive interference produces
- low high tides and high low tides
- high high tides and low low tides
12. When the earth moon and sun are aligned in a straight line which tide occurs?
13. Solar radiation only influences the upper...
14. What is the pH of seawater?
15. Constructive interference produces
- high high tides and low low tides
- low high tides and high low tides
16. Which live in the bottom of the seabed?
17. Which order is correct
- photic zone, dsyphotic zone, aphotic zone
- dsyphotic zone, photic zone, aphotic zone
18. Which of the two zones in the pelagic is shallow and overlies the continental shelf?
- Neritic zone
- Oceanic zone
19. What is not a main output of salt from seawater?
- Erosion
- Sedimentation
- Evaporation
20. When the earth moon and sun are aligned forming a right angle which tide is formed?