I. Littering
II. Factory fumes
III. Dumping waste in the ocean
IV. Swimming in the ocean
V. Taking a walk through a meadow

By NASA/GSFC/Reto Stöckli, Nazmi El Saleous, and Marit Jentoft-Nilsen [Public domain], via Wikimedia Commons

Which of the above are examples of pollution?

Choose one answer

Type a concept, like “slope” or “photosynthesis”.

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