Question

Explain any five causes of pollution in calcutta in 19th century and early 20thcentury.

Answer 1

there are for causes of pollution-

1. pollution was due to large people being dependent on dung and wood as fuel.

2. industries and other establishment used steam engines that run on coal and caused air pollution.

3. due to marshy land the resulting fog combined with smoke to generate thick smog.

4. Calcutta had history of air pollution. its inhabitants inhaled grey smoke