Understanding the Great Pacific Garbage Patch

What is the main threat to the oceans discussed in the video?

• Climate change

• Plastic pollution

• Oil spills

• Overfishing

What method did scientists originally use to study ocean plastic?

• Sampling with large nets

• Satellite imagery

• Underwater drones

• Sampling with small nets

How many boats were used in the Mega Expedition?

• 10 boats

• 20 boats

• 30 boats

• 40 boats

How much larger was the area needed to quantify the largest debris compared to the Mega Expedition?

• Twenty times larger

• Ten times larger

• Fifty times larger

• Five times larger

What was unique about The Ocean Cleanup's aerial surveys?

• They used underwater cameras

• They used drones

• They used satellites

• They used a former military aircraft

How many pieces of plastic are estimated to be in the Great Pacific Garbage Patch?

• 500 million pieces

• 1.8 trillion pieces

• 2.5 trillion pieces

• 1 billion pieces

What percentage of the patch's mass is made up of larger objects?

• 50%

• 75%

• 99%

• 92%

What was the total mass of the plastic in the Great Pacific Garbage Patch according to the findings?

• 40,000 tons

• 120,000 tons

• 80,000 tons

• 160,000 tons

What is the size comparison of the Great Pacific Garbage Patch to France?

• The size of France

• Twice the size of France

• Half the size of France

• Three times the size of France

What year was the cleanup of The Great Pacific Garbage Patch set to start?

• 2018

• 2017

• 2016

• 2019