Civil Services Prep

Prelims MCQ · Geography

Consider the following statements:

  1. Volcanic eruptions along mid-oceanic ridges bring large quantities of lava to the surface.
  2. Rocks equidistant from a ridge crest show similarities in age, chemical composition and magnetic properties.
  3. The youngest oceanic rocks occur farthest from the ridge crest.
  4. Oceanic crust is nowhere older than about 200 million years, while some continental rocks are about 3,200 million years old.

Which of the statements given above are correct?

  1. 1 and 3 only
  2. 1, 2 and 4 only
  3. 2, 3 and 4 only
  4. 1, 2 and 3 only
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