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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:   ...

What is Ozone Layer? Importance of Ozone Layer: FAQ about Ozone Layer: Part-1 written by: Haresh Khemani • edited by: Lamar Stonecypher • updated: 1/21/2010 On this day of September 16, marked as the Ozone Layer Day, let use try to know some of the basics of ozone layer like what it is, its importance, how it gets depleted, effects of its depletion, how to prevent depletion of ozone layer, Montreal Protocol, our role in preventing ozone layer etc. International Ozone Day We celebrate September 16 every year as the International Ozone Day to commemorate the signing of the Montreal Protocol. Many of us don’t really know what is ozone layer and its importance. On this day of our commitment to save the ozone layer, let us try to know some important basics about ozone layer and its importance for our environment: Some Common FAQs About Ozone Layer We celebrate  September 16  every year as the  International Ozone Day  to commemorate the signing ...

What Is Global Warming? ByRAM KRISHNA SAH Photo: David McNew/Getty Images The term "global warming" refers to the increase in the average temperature of global surface air and oceans since about 1950, and to continuing increases in those temperatures. Another term for "global warming" is "climate change." Per the  Intergovernmental Panel on Climate Change , which shared the 2007 Nobel Peace with Al Gore for landmark work on climate change: "The global surface temperature is an estimate of the global mean surface air temperature. However, for changes over time, only anomalies... are used, most commonly based on the area-weighted global average of the sea surface temperature anomaly and land surface air temperature anomaly." Per Wikipedia, "The Intergovernmental Panel on Climate Change (IPCC) concludes that...  greenhouse gases  are responsible for most of the observed temperature increase since the middle of the t...