Teaching DSSSB PRT 2023 Mock Test General Knowledge Ecology and Environment Environment Problems

ବାୟୁ ପ୍ରଦୂଷଣର ପ୍ରତିକୂଳ ପ୍ରଭାବ କାହା ଉପରେ ନିର୍ଭର କରେ?

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ପ୍ରଦୂଷଣର ସାନ୍ଦ୍ରତା
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ଏକ୍ସପୋଜରର ଅବଧି
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ଜୀବ 
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ଉପରୋକ୍ତ ସମସ୍ତ
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