Which of the following statements best describes “carbon fertilization”?

1. A. Increased plant growth due to increased concentration of carbon dioxide in the atmosphere
2. B. Increased temperature of Earth due to increased concentration of carbon dioxide in the atmosphere
3. C. Increased acidity of oceans as a result of increased concentration of carbon dioxide in the atmosphere
4. D. Adaptation of all living beings on Earth to the climate change brought about by the increased concentration of carbon dioxide in the atmosphere

Answer: A

Explanation

The carbon fertilization effect (CFE) is in principle simple: the larger amount of carbon dioxide in the atmosphere that has resulted from rising anthropogenic emissions should help the growth of plants, which use carbon dioxide during photosynthesis. The effect ought to increase crop yields.