Question

Given below are the pollution figures for some major towns and cities in India:

Suspended

Particulate

Matter

Sulphur

Dioxide

Nitrogen

Oxide

Permissible

limits 200 80 80

Ludhiana 453 20 64

Delhi 680 124 137

Mumbai 485 27 53

Chennai 262 45 34

Using the information given above, your own ideas and ideas from the unit Environment, write a letter

to the editor of Delhi Chetna, New Delhi, expressing your concerns about the increasing environmental

pollution and how it has led to health problems in these areas. Also, suggest ways of dealing with the

problem. Write the letter in not more than 120 words.​

Answer 1

Answer:

Atoms are single neutral particles. Molecules are neutral particles made of two or more atoms bonded together. An ion is a positively or negatively charged particle.