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Assessment
What is the primary source of freshwater in ecosystems?
Aquifers
Oceans
Atmosphere
Glaciers
Which of the following is a significant threat to freshwater ecosystems?
Overfishing
Drought
Invasive species
All of the above
What role do wetlands play in freshwater ecosystems?
They increase soil erosion.
They act as natural filters for pollutants.
They are dry habitats.
They only support terrestrial species.
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