Question

state any two ways which can lead to contamination of water

Answer 1

Allowing plastic to sit for a long time and be exposed to rain and soil causes chemicals from the plastic to leach into the groundwater nearby. chemical contaminants include nitrogen, bleach, salts, pesticides, metals, toxins produced by bacteria, and human or animal drugs.

Answer 2

Two ways which can lead to contamination of water are --

1] human activities , like bathing and washing of clothes , in river and ponds can pollute the water in them.

2]oil spills, from oil tankers transport crude oil , often pollute the oceans causing damage to marine life .

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