. What are the different ways in which water gets contaminated
Answer: The different ways in which the water gets contaminated are:
i) Industrial waste: The harmful chemical wastes get released by the industries into water sources.
ii) Sewage waste: kitchen, laundry and toilets release the waste materials and this pollutes water.
iii) Agricultural chemicals: Excessive amount of pesticides and fertilizers are used by the farmers for enhancing crop production. Rains and floods carry these harmful chemicals to water bodies, which results in water pollution.