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What are bio fertilizers and bio pesticides ? BY RAMKRISHNA (SVIET) Answers EXPERT ANSWER . Biofertilizers  are natural organisms that add nutrients to the soil and also makes it fertile. e.g. Rhizobium  helps in nitrogen fixation in leguminous plants.  Biopesticides  are organisms which are used to destroy pests in fields.They are also used to destroy w
Tboy: 2 years ago What do you understand by depletion of the ozone layer,and what are the causes and effects it has in the atmosphere Answer This Question 2 years ago Depletion of the ozone layer means a steady decline of about 4% per decade of volume of ozone in Earth's stratosphere and much larger springtime decrease in stratospheric ozone. In the atmosphere it affects the temperature. Learn more in 
A:   What is  Food   Security ? Food   security  is basically when a family has enough  food  in the household for all of the people that live in that household. Everyone in the household is basically  Read More » A:   Food Security Definition  and Information - Disabled World Definition  and Information on  Food Security  and how global warming water shortages and crisis affect Security of our food supplies.  Read More » Popular Q&A Q:   What is the  Definition  of  Securities ? A:   The legal  definition  of  securities  is that they are documents used to represent rights. Bank notes, stocks, bonds, certificates of deposit (CDs) are examples of  securities . For more information see here: http://legal-dictionary.thefreedictionar... Q:   What Is the  Definition  of a  Secured  Loan? A:   ...