Correct Answer:
Option C - The planet and their years are:
Planet Year
Mercury 88 days
Venus 225 days
Earth 365 days
Mars 687 days
Jupiter 11.89 years
Saturn 29.5 years
Uranus 84 years
Neptune 165 years
Therefore, the longest period of the year is of Neptune.
C. The planet and their years are:
Planet Year
Mercury 88 days
Venus 225 days
Earth 365 days
Mars 687 days
Jupiter 11.89 years
Saturn 29.5 years
Uranus 84 years
Neptune 165 years
Therefore, the longest period of the year is of Neptune.