What are the ways businesses or industries contribute to the contamination of water?

 In urban areas, sources of diffuse water pollution include: pollutants from car parks and transport, such as oil and brake fluid, rubber and metal from tyres and brakes, exhaust emissions, and detergents and grease from vehicle cleaning. heavy metals and pollution washed from roofs.

Explanation:

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answer: collecting information/data

reason: the student is going around and asking people questions to collect data

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