How can bacteria treat sewage????
They use the free oxygen in the water to degrade the pollutants in the incoming wastewater into energy they can use for growth& reproduction.
Secretariat Assistant Important Topics : Riv...
What is meant by red revolution??
Who coiñed the term taxonomy ?
PSC Secretariat Assistant Exam Important Top...
Why we are planning always about future
What is mean by racemic
Does the ratio between 2 electrostatic force...
Nda stand by
SI unit of electric flux
SI unit of resistivity