Answers

2015-08-09T16:44:54+05:30
Micro organisms ..r harmful nd useful as well..da lactobascillus bacteria helps 2 turn milk into curd..nd some microorganisms when enter our body causes diseases
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2015-08-09T18:27:04+05:30
micro organisms are harmful and useful as well as the depend on time the lactobascillus bacteria helps to turn milk into curd.and some microorganisms when enter our body causes diseases.
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