Answers

2016-02-27T16:04:21+05:30
biodegradable substances are substance which can be decomposed by bacteria easily for example :leavies 

non biograble substance are substance which cannot be decomposed by bacteira easily for example:plastics
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2016-02-27T16:36:37+05:30
Biodegradable waste are the waste that will decay and mix with the soil while non-biodegradable are the waste that will not decay and mix with soil . Example for biodegradable waste-fruits and leaves etc...
example for non -biodegradable waste-plastic and metal (containers,pins etc)
two changes that we have to adopt are-we should not throw anything..we should try to reuse that wherever possible.
its true that we can't keep the garbage with us so we afcourse throw it because kadbadiwala is not coming in India so if we throw it then we should burn the garbage.from this garbage will be less
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