Unveiling Ocean Pollution: Hidden Dangers and Urgent Solutions

The video explores the significant sources and impacts of pollution in our oceans. It discusses point and non-point source pollution, highlighting human activities' detrimental effects on marine life and the environment. The video projects future pollution levels, emphasizing the urgency of addressing these issues. It also covers the health risks associated with pollution, using the Flint water crisis as a case study. Finally, it underscores the ocean's critical role in providing oxygen and supporting diverse marine life, stressing the need for environmental preservation.

What was the robot submersible searching for off the coast of Los Angeles?

• Lost treasure

• Environmental hazards

• A sunken ship

• A new species of fish

Which of the following is an example of point source pollution?

• Plastic waste in the ocean

• Runoff from agricultural fields

• Air pollution from cars

• A leaking chemical pipe

How much trash ended up in the ocean in 2010?

• 12 million tons

• 8 million tons

• 5 million tons

• 10 million tons

By what year is plastic trash expected to outnumber fish in the ocean?

• 2050

• 2040

• 2060

• 2030

What are the major chemical pollutants mentioned in the video?

• Lead, mercury, and arsenic

• Oil, toxic metals, and persistent organic pollutants

• Plastic, glass, and paper

• Carbon dioxide, methane, and nitrogen

What was the main issue with the Flint River that led to the water crisis?

• It was too shallow

• It was too cold

• It was too salty

• It was highly corrosive

What percentage of our oxygen is provided by the ocean?

• 80-100%

• 30-50%

• 50-80%

• 10-30%