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#1 2017-12-09 17:50:48
- shakeel123
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- Registered: 2017-09-21
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Absence of lichens indicates atmospheric pollution by:
Biology Class 9 10 11 12 Exams Quizzes MCQs Quizzes Ecosystem Online MCQs Test
Question:
Absence of lichens indicates atmospheric pollution by:
Option A):
All these
Option B):
SO₂
Option C):
CO
Option D):
CO₂
Correct Answer is Option D):
CO₂
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2017-12-09 17:50:48
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Re: Absence of lichens indicates atmospheric pollution by:
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