Air Pollution :- Black Carbon (it's sources, harmful effects and mitigation measures)

[@Mathematicaldomain0501]

Thanks for this thought 👍

[@brainacademy1864]

Thankuu mam for this video you nailed itt 😇😇😇

[@brainacademy1864]

Khoii bolte h mam😎😎

[@learnwithanjali5598]

Khoii okay @brainacademy1864... Thanks for telling this.

[@brainacademy1864]

@@learnwithanjali5598 😊😊