Water pollution - Contamination of water bodies, Global warming - The long-term heating of earth’s surface, Air pollution - An alteration of air quality that can be characterized by measurements of chemical , deforestation - the depletion of trees and forests at an alarming rate,

દ્વારા

લીડરબોર્ડ

દૃશ્યમાન શૈલી

વિકલ્પો

ટેમ્પલેટ બદલો

આપોઆપ સંગ્રહ થયેલ છે: ?