A factory's wastewater contains high levels of chemicals, causing the death of aquatic life in the nearby river. What is the most likely cause?
Q1. A factory's wastewater contains high levels of chemicals, causing the death of aquatic life in the nearby river. What is the most likely cause?
Answer: Toxicity from industrial chemicals
Explanation: Toxicity from industrial chemicals is the direct cause; eutrophication is a different process involving excess nutrients.