This Is a Certified Answer

Certified answers contain reliable, trustworthy information vouched for by a hand-picked team of experts. Brainly has millions of high quality answers, all of them carefully moderated by our most trusted community members, but certified answers are the finest of the finest.
Were u born three decades before. just joking. my locality is mysore it is changed a lot the resdential areas which i leave in was a dark forest before 3 decades. its changed totally. it can been seen through my eyes itself. people r now more dependent on  the global eco system so that their requirments r fulfilled. it  is the local ecosystem local ecosystem that is more easily available and more cheaper before people were not so educated to use the system but the science is so much developed that we have  learnt so much that we can make use of the waste of the ecosystem also.
pl mark it as the best .
7 2 7