Choose the correct word from the brackets: a) She is (taller/tallest) than her sister. [1] b) The baby is (sleep/sleeping) now. [1] c) He (has/have) a new car. [1] d) They (go/went) to the market…

a) She is taller than her sister. b) The baby is sleeping now. c) He has a new car. d) They went to the market yesterday.

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Causes of Water Pollution

Water pollution is a serious environmental issue that affects both human health and ecosystems. One of the primary causes of water pollution is industrial waste. Factories and industries often release harmful chemicals, heavy metals, and toxic substances into rivers, lakes, and oceans without proper treatment. These pollutants can contaminate water sources, making them unsafe for drinking, agriculture, and aquatic life.

Another major cause is domestic sewage. Many households discharge untreated sewage directly into water bodies. This sewage contains harmful bacteria, viruses, and nutrients like nitrogen and phosphorus, which lead to waterborne diseases and eutrophication—a process where excessive nutrients cause dense plant growth and deplete oxygen levels, harming aquatic organisms.

Agricultural runoff is also a significant contributor. Farmers often use pesticides, herbicides, and fertilizers to enhance crop production. When it rains, these chemicals wash away into nearby water bodies, causing soil erosion and water contamination. This not only pollutes water but also affects the health of people and animals that consume contaminated water.

Plastic waste and solid waste disposal further worsen the problem. Many people throw plastic bags, bottles, and other non-biodegradable materials into rivers and lakes. These waste materials block waterways, harm marine life, and make water unsafe for use.

Lastly, oil spills and chemical leaks from transportation and storage facilities pollute water bodies. Oil spills, in particular, create a thick layer on the water surface, preventing oxygen from dissolving into the water and suffocating aquatic life.

To combat water pollution, governments, industries, and individuals must work together. Proper waste management, treatment of industrial and domestic waste, and public awareness about responsible water usage are essential steps to protect our precious water resources.