सुपोषण (eutrophication) के दौरान जब घुलित ऑक्सीजन की गंभीर कमी हो जाती है, तो कौन सी विशिष्ट पर्यावरणीय स्थिति उत्पन्न होती है, जिससे अंततः जलीय जीवों की मृत्यु हो जाती है?

Which of the following best defines non-point source water pollution?

What is the primary characteristic that distinguishes anthropogenic eutrophication from natural eutrophication in water bodies?

Which of the following processes is specifically defined as the nutrient over-enrichment of water bodies, primarily with nitrogen and phosphorus, that leads to explosive algal growth?