Question

explain biodegradable and non biodegradable materials ​

Answer 1

Answer:

Explanation:

Biodegradable substances are those that degrades or break down naturally .Materials like plants, animals, paper, vegetables,etc. are biodegradable .

WHILE

Non biodegradable substances are those which are not capable of being broken down by nature.materials like plastics, glasses, metals, etc. are non biodegradable.

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Answer 2

Biodegradable Substances :

• The substances which can be disposed of naturally by the action of microorganisms like bacteria, fungi it is are called biodegradable substances.

• These organisms secrete enzyme which causes breakdown of biodegradable substances into simpler form.

• Biodegradable waste can also be put to treatment by waste management plants.

• They e can be used as manure compost to increase the soil fertility.

Effects of biodegradable substances :

• They act as pollutants only when their quantity becomes large.

• Decomposition of biodegradable waste lead to foul smell.

• Dumping of Industrial waste reduces the fertility of the soil and leads to reduction in crop yields.

• Breeding of flies in huge quantity on these wastes carries germs and spread diseases.

• Dumping of waste into water bodies leads to water pollution.

• This results in spread of various water borne diseases.

Non Biodegradable substances :

• The substances that can't be covered into harmless simpler forms by action of microorganisms are called non-biodegradable substances.

• These are toxic, harmful maybe inert and accumulate in the environment.

• These account for the major pollutants of environment.

• Most non biodegradable waste result from human activities.

Effects of Non Biodegradable substances :

• Substances like radioactive wastes, lead mercury etc is accumulated in the environment and causes life threatening diseases in humans and other living beings.

• They pollute water and harm the aquatic plants and animals.