3.2.10

Oil spills are a cause of ocean pollution. Which body states that 'it is illegal for ships to wash out their tanks with sea water'?

• UNCLOS

• UNESCO

• EU

• WWF

The Deepwater Horizon oil spill occurred in 2010. How much oil was spilled?

• 4 barrels

• 4 million barrels

• 4 thousand barrels

• 2 million barrels

Terrestrial runoff has increase in recent years. Why?

• Agricultural use

• Impermeable surfaces

• Industry

Describe the difference between point and non-point source pollution.

True or false, Indonesia still practices open river dumping

• True

• False

True or False, Sweden has efficient waste disposal methods.

• True

• False

Suggest a reason why plastic pollution is such a big problem.

Which of the following are causes for ocean garbage patches?

• Ocean circulation

• Poor governance

• Global economic systems

What does the term 'hypoxic' mean?

• Lacking in carbon dioxide

• Lacking in oxygen

• Excess oxygen

What causes Eutrophication?

• Run of from agriculture

• Solar energy

• No-catch zones