Natural Resources

Sanyam Jain, Academic Content Writer

1. Forms of water pollution

• Addition of undesirable substances to water bodies (e.g. harmful chemicals, disease-causing organisms)

• Removal of desirable substances from water bodies (e.g. dissolved oxygen & other nutrients)

• Change in natural temperature of water bodies

2. Causes of water pollution

• Agricultural: fertilizers and pesticides from farms

• Municipal: sewage from towns and cities

• Industrial: hot water discharge 

3. Water reservoir & aquatic life

• Surface water gets heated by the Sun

• Water at deeper levels remain cool

• Growth of harmful life-forms 

• Disturbs natural balance of aquatic life