Question

i). Which of these is biodegradable?
a) Cotton (b) Paper (c) Dead plants (d) All of these​

Answer 1

Answer: D) All Of These

Explanation: They all are natural materials and the enzymes of decomposers can easily act upon them....

Answer 2

Answer:

d) All of these

Explanation:

Cotton is biodegradable both anaerobically (without oxygen) and aerobically (with oxygen). Modern landfills are sealed and keep out water and oxygen, making them anaerobic. Cotton will degrade under these conditions but much more slowly than in aerobic conditions, or in a compost heap.

All most all types of paper are biodegradable. This is because the paper is made from wood pulp, which is biodegradable. Unfortunately, paper products like plates and cups are lined with plastic making them un-biodegradable.

And dead plants are also biodegradable, and can be decomposed by micro-organisms.

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