Teaching UGC NET Mock Test Series 2025 (Paper 1 & 2) Environmental Science Environmental Issues Global Environmental Issues

ଧୂଳିମୁକ୍ତ ଏବଂ ପ୍ରଦୂଷଣମୁକ୍ତ ବର୍ଷାଜଳର pH 5.6 ହେଉଛି କାରଣ ଏହାରେ କ'ଣ ଦ୍ରବୀଭୂତ ହୋଇଥାଏ?

1
SO2
2
CO2
3
NO2
4
HO2
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