Which planet does take the least time in completing one revolution around the Sun?

A. Earth

B. Venus

C. Mercury

D. Mars

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  1. What is a narrow waterway separating two bits of land called?
  2. The difference between day and night increases as one moves
  3. Which of the following are the Inner Planets?1. Mercury2. Venus3. Earth4. Mars
  4. Which two Planets do not have any satellites?
  5. Lunar eclipse means
  6. A family or system of millions and millions of stars are called ____.
  7. The solar eclipse takes place when
  8. If the stars are seen to rise perpendicular to the horizon by an observer, he is located on the \
  9. On which date is the Earth in 'perihelion'?
  10. Smallest planet of our Solar System is _____.
  11. A leap year consists of
  12. Rapidly rotating stars emitting intense radio waves are called ___.
  13. Largest satellite in Solar System is ____.
  14. Which planet does take the least time in completing one revolution around the Sun?
  15. The rate of rotation of the Earth on its axis is the highest on which of the following date?
  16. When the Sun is vertically overhead along the Tropic of Capricorn at mid-day
  17. When the earth is at its minimum distance from the Sun, it is said to be
  18. Which of the following statements best describes longitudes?
  19. Which two planets do not have any satellites?1. Mercury2. Venus3. Saturn4. Pluto
  20. What is the average radius of the Earth?
  21. Sunspots are
  22. Relatively cool spots of the Sun are called __ while relatively hot spots of the Sun are called __.
  23. What is significant about the town of Greenwich?
  24. What part of the moon's surface is never visible from the earth?
  25. Which planet has the largest equatorial radius?
  26. How much time (approximately) does the light from the nearest star to the Sun take in reaching the earth?
  27. When the earth is at its maximum distance from the Sun it is said to be in
  28. A celestial body having its own heat and light is called
  29. What meridian is the International Date Line?
  30. What is the shape of our galaxy 'Milky Way'?