Geetha Iyer Solutions for Exercise 3: EXERCISE
Geetha Iyer Science Solutions for Exercise - Geetha Iyer Solutions for Exercise 3: EXERCISE
Attempt the practice questions from Exercise 3: EXERCISE with hints and solutions to strengthen your understanding. Science Now 8 solutions are prepared by Experienced Embibe Experts.
Questions from Geetha Iyer Solutions for Exercise 3: EXERCISE with Hints & Solutions
Which of the following is a disease caused due to air pollution?

Volcanic eruption is a natural source of air pollution.

Fertilisers and pesticides in the runoff water from the fields lead to water pollution.

Increase in the growth of bacteria in water bodies decreases the oxygen level in that water.

Discharge of hot water into water bodies does not affect aquatic animals.

Air pollution can be minimised by afforestation.

The pollutants contributing to the depletion of the ozone layer are _____. (chlorofluorocarbons/methyl mercury)

The method used for disinfection of water is called _____. (chlorination/alum)
