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IMSO 2017 Science International - Theory I Question 16

IMSO Science · IMSO 2017 Science International - Theory I

Question 16

Although Venus is further from the Sun compared to Mercury, its average surface temperature is higher than Mercury. Which of the following is a possible explanation for this?
  1. Venus is more than twice the size of Mercury.
  2. The carbon dioxide in Venus’ atmosphere traps heat.
  3. Ice is present on Mercury’s surface but not found on Venus.
  4. The length of a day on Mercury is 58 Earth days while a day on Venus is 243 Earth days.