Podcast
Questions and Answers
What percentage of North America's freshwater is contained in the Great Lakes-St. Lawrence River watershed?
What percentage of North America's freshwater is contained in the Great Lakes-St. Lawrence River watershed?
- 90 percent
- 50 percent
- 74 percent
- 84 percent (correct)
How many people live in the Great Lakes-St. Lawrence River watershed?
How many people live in the Great Lakes-St. Lawrence River watershed?
- 20 million people
- 30 million people (correct)
- 40 million people
- 10 million people
What is one of the biggest threats to the Great Lakes-St. Lawrence River ecosystem?
What is one of the biggest threats to the Great Lakes-St. Lawrence River ecosystem?
- Climate change
- Pollution
- Invasive species (correct)
- Overfishing
What is the estimated cost of damage caused by zebra mussels in the Great Lakes-St. Lawrence River watershed?
What is the estimated cost of damage caused by zebra mussels in the Great Lakes-St. Lawrence River watershed?
Why are invasive species, such as the zebra mussel, able to thrive in their new environment?
Why are invasive species, such as the zebra mussel, able to thrive in their new environment?
What is the impact of zebra mussels on native mussel species?
What is the impact of zebra mussels on native mussel species?
What is the role of wetlands in the ecosystem?
What is the role of wetlands in the ecosystem?
What is the result of the destruction of wetlands?
What is the result of the destruction of wetlands?
What is the goal of the water resources agreement regarding pollution?
What is the goal of the water resources agreement regarding pollution?
What is the environmental impact of fertilizers used on farms in the watershed?
What is the environmental impact of fertilizers used on farms in the watershed?
