Which one of the following river is highly polluted?

• Brahmaputra

• Satluj

• Yamuna

• Godavari

Push and pull factors are responsible for -

• Migration

• Land degradation

• Slums

• Air pollution

Which one of the following diseases is caused by water pollution?

• Conjunctivitis

• Diarrhorea

• Respiratory infections

• Bronchitis

What is the difference between pollution and pollutants?

Which one of the following is the cause of acid rain?

• Water pollution

• Land pollution

• Noise pollution

• Air pollution