Teaching Bihar STET Paper 1 (माध्यमिक) Mock Test 2024 General Knowledge Ecology and Environment Environmental pollution

ନିମ୍ନଲିଖିତ ଗ୍ୟାସ ମଧ୍ୟରୁ କେଉଁଟି ବାୟୁମଣ୍ଡଳ ପ୍ରଦୂଷକ ଭାବରେ ବିବେଚନା କରାଯାଏ?

1
ଅମ୍ଳଜାନ
2
ଓଜୋନ
3
ସଲଫର୍ ଡାଇଅକ୍ସାଇଡ୍ (SO2)
4
ନାଇଟ୍ରୋଜେନ୍
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