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WBCS Main Examination 2023 — Paper IV: General Studies II · Question 185 of 200

Q185
General ScienceEnvironment & Ecology
The average temperature of the Earth due to the albedo effect is
  1. a.10°C
  2. b.15°C
  3. c.20°C
  4. d.25°C

Answer: (B) 15°C

With its albedo of about 0.3 and the natural greenhouse effect, Earth's average surface temperature settles at about 15 °C. Without the greenhouse effect it would be about −18 °C, and 10, 20 or 25 °C do not match the accepted global mean.

Q184 Whole paperQ186
The average temperature of the Earth due to the albedo effect is — WBCS Main Examination 2023 Q185 | Prostuti360°