Alert: You are not allowed to copy content or view source
Check Olympiad Exam Dates here | Buy Practice Papers for CREST Olympiads here | Individual Registration will close soon on CREST Olympiads. Apply now | Login here to participate in all India free mock test on every Saturday

Our Environment

Class 3 Our Environment - Fact

Learn more about Our Environment of Class 3.


1 Tablespoon of soil has more organisms in it than there are people on earth. Soil scientists have identified over 70,000 kinds of soil in the United states. It takes 500 minimum years to from one inch of topsoil. soil stores 10 % of the world?s carbon di


 

  EXPLORE  

70%