Crossword Puzzle Water Pollution CrosswordOnline version Test your knowledge about the harmful effects of water pollution with this crossword puzzle! by Jasmina Sahovic 1 The presence of harmful substances in water, making it unfit for use or consumption. 2 The excessive growth of algae and other aquatic plants due to the increased nutrient levels in water bodies. 3 The degree to which a substance can cause harm or damage to living organisms. 4 The process of particles settling at the bottom of a water body, reducing water clarity and quality. 5 The variety of plant and animal species present in a particular ecosystem. 6 The flow of water over the land surface, carrying pollutants and contaminants into water bodies. 7 The increase in acidity of water bodies due to the release of acidic pollutants. 8 The natural environment or home of a particular plant or animal species. 7 5 8 4 3 6 1