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Aaral shah
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Poll
Asked: 2021-06-12T03:14:52+00:00 In:

Which of the following is a recently originated problem of environment?

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Poll Results

0%(a) ozone layer depletion
0%(b) green house effect
0%(c) global warming
100%(d) all of the above ( 5 voters )
Based On 5 Votes

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NCERT Important Questions Class 9 Science biology Chapter 14
Important NCERT Extra Questions
Chapter 14 Natural Resources
NCERT Book Extra Questions for Session 2022-2023
CBSE Board and UP Board Others state Board

2021-2022biologybiology chapter 14cbsechapter 14class9natural resourcesncertscience
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    1 Answer

    1. (d) all of the above

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