1) When is the world environment day celebrated?  a) 5 June  b) 5 April  2) living organisms are called as  a) Abiotic  b) Biotic   3) Park and garden are examples of  a) Natural environment  b) Human environment  4) Plants and animal can be categories into a) Physical environment b)  Biological environment 5) The outer solid crust or the outermost solid layer of the earth. a) Lithosphere  b) Mantle  6) Wind humidity precipitation collectively made up the ______________ of a place. a) Climate b) Weather  

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