04-Nov-2021 Theme: 'Salt'

(1) Which Australian State or Territory is the most severely affected by dryland salinity?

Answer: Western Australia.

(2) What is the approximate concentration of salt in seawater? (a) 0.055% (b) 0.45% (c) 3.5% (d) 25%.

Answer: (c) 3.5%

(3) Water salinity is measured in EC units. What does EC stand for? (bonus: With sodium chloride, 1 EC equals how many parts per million of total dissolved salts?).

Answer: Electrical Conductivity (bonus: 500).

(4) What is Atriplex nummularia commonly known as?

Answer: Old Man Saltbush.

(5) Who played the role of Evelyn Salt in the 2010 action thriller film ‘Salt’?

Answer: Angelina Jolie.

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