Answers

2015-09-20T12:08:08+05:30
USES-
1.USES OF FOOD
2.SEWAGE TREATMENT
3.IT HELPS IN AGRICULTURE
4.IT HELPS IN ENERGY/FUEL PRODUCTION
5.IT HELPS IN CLEANING THE ENVIRONMENT
HARMFUL-
1.BACTERIA
2.VIRUSES
3.FUNGI
4.PROTOZOANS
5.VACCINES


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