Why are some substances biodegradable and some non biodegradable

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Biodegradable substances are degraded by microorganisms such as bacteria, fungi. Non-biodegradable substances are not degraded by natural processes such as decomposition by microorganisms. Differentiation between biodegradable and non-biodegradable: - The biodegradable substances are usually natural or organic and easily broken down into harmless components - The non-biodegradable substances are not removed from the environment for a long time as they are not broken down by biological processes. These are usually artificial or man-made substances. Examples: Cotton or plant leaves are biodegradable because they can be broken down or decomposed by the bacteria or fungi present in the soil. Plastic or polythene bags or glass are not decomposed by the microorganisms, therefore, are non-biodegradable.

Substances are classified as biodegradable and non-biodegradable because some substances can be decomposed by microorganisms and some cannot. Substances that are broken down into simple soluble forms are called biodegradable substances For example: Cotton, wood, paper, wool, etc. the substances that are not decomposed by microorganisms into harmless substances are called non biodegradable substances. For example: Plastic, polythene, DDT, etc.

Substances are classified as biodegradable and non-biodegradable because some substances can be decomposed by microorganisms and some cannot. Substances that are broken into simple soluble forms are called biodegradable substances and the substances that are not decomposed bymicroorganisms into harmless substances are called non-biodegradable substances. Non-biodegradable substances cannot be degraded by microorganisms as they lack the enzymes necessary for their degradation.

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Substances are classified as biodegradable and non-biodegradable because some substances can be decomposed by microorganisms and some cannot. Substances that are broken down into simple soluble forms are called biodegradable substances For example: Cotton, wood, paper, wool, etc. the substances that are not decomposed by microorganisms into harmless substances are called non biodegradable substances. For example: Plastic, polythene, DDT, etc.

Substance which can be degraded and disposed off naturally by saprophytic organisms or decomposers are called biodegradable, e.g., organic remains, garbage, sen age, livestock waste. Substances which cannot be degraded by saprophytes are known as non-biodegradable. They are mostly man-made articles like pesticides, plastic, polyethylene etc. Biodegradable articles are formed naturally, in biosphere . Decomposer organisms feed on them by secreting digestive juices and absorbing the solubilised substances. Biogenetic nutrients are released in the process called mineralization.

Substances are classified as biodegradable and non-biodegradable because some substances can be decomposed by microorganisms and some cannot. Substances that are broken into simple soluble forms are called biodegradable substances and the substances that are not decomposed bymicroorganisms into harmless substances are called non-biodegradable substances. Non-biodegradable substances cannot be degraded by microorganisms as they lack the enzymes necessary for their degradation.