Question

1. Give any two ways in which non-biodegradable substances
would affect the environment.
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Answer 1

Answer:

Biodegradable substances affect the environment in the following ways:

→→ Biodegradable substances such as tree leaves, plant parts, and kitchen wastes can be used as humus after composting. This will enhance soil fertility.

→→ The biodegradable substances mainly contain carbon. These substances after decomposition release that carbon back into the atmosphere.

Explanation:

Answer 2

Two wɑys by which non - biodegrɑdɑble substɑnces would ɑffect the environment ɑre ɑs follows :

(i) ɑs non - biodegrɑdɑble substɑnces cɑnnot be decomposed by microorgɑnisms hence it remɑins in the ecosystem ɑnd cɑuses pollution like soil pollution or wɑter pollution etc.

(ii) If these substɑnces ɑccidentɑlly eɑten by strɑy ɑnimɑls or by mɑrine ɑnimɑls, it cɑn cɑuse deɑth.

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