Ozone layer is present in ______
A) troposphere
B) stratosphere
C) mesosphere
D) thermosphere
Correct Answer:
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Q10: The first secretary general of UN was
Q11: The head quarters of UN is situated
Q12: The head quarters of UNESCO is situated
Q13: Global warming could affect _
A)Climate
B)Food production
C)Melting of
Q14: The primary cause of acid rain around
Q16: HIV is not likely to be transmitted
Q17: Cartagena Protocol which was adopted in the
Q18: In which war Agent Orange was used
Q19: Identify the nonrenewable source of energy from
Q20: The dodo was extinct due to _
A)pollution
B)invasion
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