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Correct Answer: B) Carbon Dioxide (CO2).
Correct Answer: C) Bike.
Correct Answer: B) Wetlands.
Correct Answer: B) HABITAT.
Correct Answer: B) Aamir Khan.
Correct Answer: D) Time for Nature.
Correct Answer: A) 4.
Correct Answer: A) By external factors.
Correct Answer: D) Aluminium Industries.
Correct Answer: B) A. G. Tansley.
Correct Answer: B) European Union; 2016.
Correct Answer: D) Biosphere.
Correct Answer: D) Pakistan.
Correct Answer: B) Mammal.
Correct Answer: B) Nitrogen.
Correct Answer: A) Jammu and Kashmir.
Correct Answer: B) Sunderlal bahuguna.
Correct Answer: B) The day of the year when finite resources run out for further use throughout the year.
Correct Answer: D) Hailey national park.
Correct Answer: C) Computer.
Correct Answer: B) Carpooling.
Correct Answer: A) ISO 14008.
Correct Answer: E) Columbia.
Correct Answer: C) Changes from brown to white depending on the season.
Correct Answer: A) Colombia.