Law of the sea

Which is the source of marine pollution?

• A. Human activities

• B. Natural sources

• C. Plastic Pollution and marine debris

• A and B

• A, B and C

Percent of marine waste is plastic:

• 70 - 90%

• 60 - 90%

• 50 - 80%

How many kinds of marine pollution are there?

• 4

• 7

• 5

• 6

Which is NOT kind of marine pollution?

• Pollution from land-based sources

• Pollution by dumping

• Pollution from vessels

• The evolution of marine organisms.

Which country is in 4th countries in the world in terms of marine waste pollution (plastic waste):

• Japan

• Vietnam

• Thailand

• Brazil

• Indonesia

The largest trash site on the planet is "Giant ... Garbage Patch" ~ twice the surface area of Texas

The object that pollution causes negative impact is:

• Sea water quality

• Human health

• Marine biological resources

Rising sea temperatures, sea - level rise, and ocean acidification caused by:

• Oil Spills

• Sewage and Wastewater Discharge

• Climate change

How many locations recorded as dead zones?

• More than 500

• More than 600

• More than 400

• 450

Why are oceans becoming more acidic?

• Deforest

• Burning of fossil fuels

• Increased levels of carbon dioxide in the atmosphere

• Increased levels of carbon dioxide in the atmosphere due to deforestation and burning of fossil fuels