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Environmental Issues

Bihar Board Class 12 · Biology · 33 past questions

Topic Water pollution and sewage 3 Air pollution and acid rain 2 Environmental awareness 0 Global warming and greenhouse gases 0 Noise pollution and population 0 Ozone layer and depletion 0 Soil, plants and environmental management 0

Level Easy 0 Moderate 0

Year 2024 1 2023 0 2022 1 2021 1 2020 0 2019 0 2018 1 2017 1 2016 0 2015 0

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