Question 1:
(a) What is the chemical composition of water?
(b) Name the 3 states of matter in which water can exist.
(c) Explain, with the help of diagrams, the molecular structure in the 3 states of matter.
Question 2:
(a) Define:
(i) Salinity
(ii) Density
(b) Which salt would you expect to get in major quantity from seawater?
(c) Which is more dense, seawater or fresh water? Explain why?
Question 3:
(a) Explain:
(i) Wind induced circulation
(ii) Thermohaline circulation
(b) How do you account for Sea breeze and Land Breeze?
Question 4:
(a) What are planktons?
(b) Provide the two main types of planktons and explain their differences.
(c) In which two basic units can the marine environment be divided?