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Assessment
What are microplastics?
Plastic particles smaller than 5mm
Large plastic items discarded in the ocean
Biodegradable materials used in packaging
Natural fibers found in the ocean
How do microplastics affect coral reefs?
They provide a habitat for coral growth.
They block sunlight and damage coral health.
They increase the pH of the water.
They have no effect on coral reefs.
What is one way microplastics can enter marine ecosystems?
Through natural weathering processes.
By being ingested by marine organisms.
As a result of volcanic eruptions.
From freshwater rivers and lakes only.
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