Our Environment (Class 10 Science) Full Chapter Explanation|| full explanation in Hindi || NOTES

Описание: Our Environment In One Shot | CBSE Class 10 Biology | Science Chapter 15 NCERT Solutions ,full explanation in Hindi | biodegradable and non bio degradable,waste management,ecosystem,abiotic and biotic,tropic level,bio-magnification,10%rule, food chain , ozone layer, food web., ecosystem (meaning, components and types),role of decomposers
,food chains and food webs,biological magnification
,ozone layer and how it is getting depleted,biodegradable and non biodegradable substance