The solar eclipse occurs when

A. the sun comes in between the moon and the earth

B. the moon comes in between the sun and the earth

C. the earth comes in the between the sun and the moon

D. None of the above

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  1. The element present in the largest amount in rocks and minerals is
  2. Earth's seasons are caused by which of the following?
  3. The smallest functional and structural unit of kidney is called as
  4. Which of the following items will be attracted to the north pole of a permanent magnet by a magnet force?
  5. The major ingredient of leather is
  6. The metal used in storage batteries
  7. The location and energy of an electron in an atom can be specified by
  8. The removal of top soil by water or wind is called
  9. The recent atomic weight scale is based on
  10. In a certain electronic circuit the output is positive if input 1 is positive and input 2 is zero. If…
  11. The fastest acting enzyme in the biological kingdom is
  12. Which of the following elements is a metal
  13. The oxide of Nitrogen used in medicine as anaesthetic is
  14. Epoxy resins is used as
  15. Lightening cause rainfall because
  16. In an atomic nucleus, neutrons and protons are held together by
  17. Which of the following is most likely to cause a rise in the average temperature of earth's atmosphere…
  18. The formula of Plaster of Paris is
  19. The property of a substance to absorb moisture from the air on exposure is called
  20. Which of the following is the lightest metal ?
  21. The marine animal called dugong which is vulnerable to extinction is a/an
  22. Which of the following characters is not shown by hydrogen
  23. Liquefied Petroleum gas (LPG) consists of mainly
  24. The hardest substance available on earth is
  25. The speed of light with the rise in the temperature of the medium
  26. One fathom is equal to
  27. Which of the following is commonly called a polyamide ?
  28. Permanent hardness of water, due to sulphates of the metal, can be destroyed by the use of
  29. What is the unit for measuring the pitch or frequency of sound ?
  30. Which of the following elements is non-radioactive?