Answers

2016-02-27T21:16:08+05:30
They break down the organic material present in the earth that is they break down the complex substances into simpler. these help to replenish the soil fertility.
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2016-02-27T21:16:45+05:30
Decomposers attack the dead bodies of animals , humans plants etc and break it into pieces and make them to mingle with the soil which acts as a manure which is very organic and good for the soil . in this way what ever minerals we take in during our living is returned to the soil , which enrich`s the  soil and makes it fertile . and good for plant growth . 
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