UPSC Civil Services 2018 Prelims General Studies Paper I

Question : 4 of 100

Marks: +1, -0

Which of the following statements best describes "carbon fertilization"?

Increased plant growth due to increased concentration of carbon dioxide in the atmosphere
Increased temperature of Earth due to increased concentration of carbon dioxide in the atmosphere
Increased acidity of oceans as a result of increased concentration of carbon dioxide in the atmosphere
Adaptation of all living beings on Earth to the climate change brought about by the increased concentration of carbon dioxide in the atmosphere

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