Right Answer is: D
• Diurnal range of temperature is the variation between the High & Low temperature that occurs during the same day.
• Temperature of Mercury’s surface can reach 800 degrees Fahrenheit (430 Degrees Celsius) because the planet has no atmosphere to retain the heat.
• At night time the temperature drops to -280 degrees Fahrenheit (-170 degrees Celsius).
• Note: Diurnal temperature variations are affected by:-Rotation rate, atmosphere, Cloud cover, Existence of (Greenhouse Effect), Water, Albedo.