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Correct Answer: D) Medicine.
Correct Answer: D) All of the above.
Correct Answer: D) Free natural services provided by healthy ecosystems that support human life and economies.
Correct Answer: A) Sir Arthur Charles Clarke CBE FRAS was an English science-fiction writer.
Correct Answer: C) Water pollution.
Correct Answer: D) 16th September.
Correct Answer: A) Demolished.
Correct Answer: C) Temperature.
Correct Answer: B) Abiotic.
Correct Answer: B) Vermicompost.
Correct Answer: A) Pneumoconiosis.
Correct Answer: A) Owl.
Correct Answer: A) Reuse.
Correct Answer: B) Plankton.
Correct Answer: A) Abiotic and biotic.
Correct Answer: C) Frog, snake.
Correct Answer: A) Fire pollution.
Correct Answer: B) A True.
Correct Answer: A) Acid rain.
Correct Answer: A) Yes.
Correct Answer: C) Tough.
Correct Answer: A) Months.
Correct Answer: B) Assam.
Correct Answer: B) 11 JULY.