Plastic Pollution and Marine Impact

Elizabeth Henderson reviews a lecture by Annalisa Bracco on plastic pollution in the ocean. The lecture covers the global mismanagement of plastic, its impact on sea animals, and the environment. It discusses the difference between coastal and open ocean pollution, the role of wind and ocean currents, and the physics involved. Solutions like nanofragmentation and biofuel are explored. The lecture also highlights the impact of microbeads in consumer products and their environmental consequences.

Who delivered the lecture on plastic pollution in the ocean?

• Elizabeth Henderson

• Georgia Tech

• Annalisa Bracco

• Physics Department

What percentage of plastic is recycled in the U.S.?

• 30%

• 50%

• 10%

• 20%

How far from the coast is open ocean plastic pollution typically found?

• 500-600 miles

• 700-800 miles

• 200-300 miles

• 100-200 miles

What tool is used to measure open ocean plastic pollution?

• Fishing net

• Satellite imaging

• Manta trawl net

• Sonar equipment

Which equation is used to calculate the planetary geostrophic equation?

• All of the above

• Continuity equation

• Momentum equation

• Dynamic equation

What is nano-fragmentation?

• Bacteria that consume and digest plastic

• A process of breaking down plastics into smaller pieces

• A method of recycling plastic

• A type of biofuel

What percentage of seabird species have been exposed to plastic?

• 70%

• 80%

• 90%

• 100%

What are microbeads commonly made from?

• Polyethylene

• Polypropylene

• Neither A nor B

• Both A and B

Which toothpaste brand is known to be free of microbeads?

• Colgate

• Arm & Hammer

• Crest 3D White

• Crest ProHealth

How do microbeads enter the environment?

• Through sewage overflows

• Both A and B

• None of the above

• By passing through septic systems