Answer :


(a) MAN’S ASSAULT ON ENVIRONMENT


What?


1. Contamination with lethal mtls of - Air, Water, Rivers & Sea


2. Pltn – Irrevocable ; Consequences – Irreversible


3. Changing the nature of the world : Chemicals – Main partners of Radiation


How they enter the Food Chain ?


1. Radiations released through Nuclear explotions


2. Chemicals sprayed on crops


3. Underground stream


Balance of envt


1. Elements of envt ; hostile as well as supportive


2. Over time – balance reached


3. But presently ; no time


New situation


1. Radiation is unnatural creation of man’s tamper with the atom


2. Chemicals – systematic creation of man’s inventive mind


ABBREVIATIONS USED :


Mtls : Metals


Pltn : Pollution


Envt : Environment


& : And


(b) SUMMARY :


Human beings are constantly degrading our environment. Presently the most serious


exploitation is the contamination of air, water and earth with lethal metals. The main


reason for this is the chemicals and the radiations associated with nuclear


exploitations. These chemicals enter into the food chain and cause serious harm to


living organisms. There was a balance of the nature. But now it is rapidly changing


due to human exploitation.


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