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Word Search :
a

n.
1.the blood group whose red cells carry the A antigen
2.a metric unit of length equal to one ten billionth of a meter (or 0.0001 micron)
3.any of several fat-soluble vitamins essential for normal vision
4.one of the four nucleotides used in building DNA
5.(biochemistry) purine base found in DNA and RNA
6.the basic unit of electric current adopted under the Systeme International d'Unites
7.the 1st letter of the Roman alphabet

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    Idiom of the Day

    fall out of use
    to be no longer used
    CD players have fallen out of use recently.



    1.
    ________ a lot of money missing from the cash till

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