Certificate C - Test 43
I am not ashamed to confess that I am ignorant of what I do not know.

Find the mistakes

Choose the test by :  -  Questions :
  • 01

    Under the crust of the Earth are bubbling hot liquids that sometime rise to the surface.

  • 02

    Fireflies product light through a complex chemical reaction that takes place within their abdominal cells.

  • 03

    Wind is the motion that occurs when lighter air rises and cools heavier air replaces it.

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