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Correct Answer: B) Gamma rays.
Correct Answer: D) 22nd May.
Correct Answer: C) June 5th 1974.
Correct Answer: C) The current period of time where species are disappearing at an extreme rate.
Correct Answer: D) 1972.
Correct Answer: D) Beat plastic pollution Beat plastic pollution.
Correct Answer: A) JUNE 5.
Correct Answer: A) Senator Gaylord Nelson.
Correct Answer: D) 30 mg/l.
Correct Answer: A) Nairobi.
Correct Answer: C) Yuri Gagarni.
Correct Answer: C) Plants and animals which are known to be endangered.
Correct Answer: A) Oxygen (O2).
Correct Answer: A) Three.
Correct Answer: C) 75%.
Correct Answer: A) 1972.
Correct Answer: A) 5 th June.
Correct Answer: A) Chilka Lake.
Correct Answer: C) Considering humans as the predominant species.
Correct Answer: A) A type of organism that is at risk of extinction.
Correct Answer: B) Transfer of materials.