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The atmosphere of Venus contains large quantity of

A. Carbondioxide and sulphuric acid

B. Carbondioxide and nitric acid

C. Nitrogen and sulphuric acid

D. Nitrogen and nitric acid

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  1. The length of its day and the tilt of its axis are almost identical to those of the Earth. This is true…
  2. What are the Pleides?
  3. What is the unit of measurement of distance between celestial bodies?
  4. A system of millions and millions of galaxies are called _____.
  5. Who was the first person to describe the earth as a sphere?
  6. The rate of rotation of the Earth on its axis is the highest on which of the following date?
  7. When the Sun is vertically overhead along the Tropic of Capricorn at mid-day
  8. A celestial body which revolves round a planet just as a planet revolves round the Sun is called _____.
  9. All asteroids collectively revolve around the
  10. What is the direction of rotation of the earth on its axis?
  11. Our Solar System is an orderly community of _____.
  12. Earth revolves round the Sun In an orbit once In every __.
  13. Which planet la known as a 'Morning Star' as well as an 'Evening Star'?
  14. Which planet has the largest equatorial radius?
  15. Relatively cool spots of the Sun are called __ while relatively hot spots of the Sun are called __.
  16. Arrange the Outer Planets in increasing order of their sizes.1. Jupiter2. Uranus3. Saturn4. Neptune
  17. Arrange the Inner Planets in decreasing order of their distances from the Sun.1. Earth2. Mercury3. Venus4.…
  18. Brightest planet of our Solar System is _____.
  19. The group of small pieces of rock revolving round the Sun between the orbits of Mars and Jupiter are…
  20. Sun revolves around galaxy once in every 250 million years, this length of time is called _____.
  21. What is peninsula?
  22. The atmosphere of Venus contains large quantity of
  23. Rapidly rotating stars emitting intense radio waves are called ___.
  24. Which of the following statements are true?1. Inner Planets are alternatively called Terrestrial Planets.2.…
  25. When the earth is at its minimum distance from the Sun, it is said to be
  26. A leap year consists of
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  28. On which date is the Earth in 'aphelion'?
  29. In which of the following planets, the Great Red Spot has been the special feature?
  30. What is the primary cause of the day and night?