We always see only one side of the moon because

A. the sun comes in between the earth and moon

B. the moon is stationary

C. the time taken by the moon to rotate on its axis is the same as the time taken by it to revolve round the earth

D. moon revolves round the sun

Please do not use chat terms. Example: avoid using "grt" instead of "great".

You can do it
  1. When a steel ball is placed on the surface of mercury, it does not sink because
  2. The attraction between similar molecules is called
  3. If an empty cylinder Is half ruled with a liquid, Its centre of gravity is
  4. A device used in a ship for the purpose of measuring the depth of the sea is
  5. A simple mercury barometer is found in a slightly slanting position. The atmospheric pressure
  6. Rays similar to X-rays but of smaller wave length that are given off by radioactive substances are
  7. Two tumblers stuck together can be separated by
  8. A projectile is fired at an angle with the horizontal with a small velocity. Its horizontal range will…
  9. Lightning conductors are made of
  10. Which of the following revolves round the nucleus in an atom?
  11. Fish and other aquatic creatures can live inside a deep frozen pond because
  12. A lightning conductor installed in a building
  13. To concentrate light on the defective teeth, the dentists use
  14. Cyclotron is an apparatus used
  15. The rocket engine is motivated by jet propulsion which uses the famous
  16. Photocells are used
  17. When light passes from air to glass, its velocity in glass
  18. Before the invention of geostationary satellites, television stations could not transmit their programmes…
  19. When a light ray is reflected repeatedly by a set of parallel plane mirrors, the intensity of light…
  20. When a body is partly or wholly immersed in a liquid the apparent loss of weight is equal to the weight…
  21. The freezer in a refrigerator is placed near the top
  22. The mixing up of two gases as a result of random motion of molecules is called
  23. When water is cooled from 4C to 2C its density
  24. A lactometer la used to
  25. Nichrome is used in electric heaters and irons because
  26. You want a supply of a small but constant current. Which of the following cells will you prefer?
  27. Halley's comet appears in the heavens once in
  28. In the fuse of an electrical installation blows out
  29. It is more difficult to walk on ice than on a concrete road because
  30. The following are the atmospheric zones above the surface of the earth:A) Troposphere B) IonosphereC)…