general knowledge 29

Test # 29

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1.
Edwin Howard Armstrong was an inventor of which of the following technologies?


Phobia :
chionophobia : fear of snow.      .. More >>

vasoconstriction:
n.
1.decrease in the diameter of blood vessels      .. More >>

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English Grammar
Prepositions
Anxious (= troubled) about, not /or

Don't Say:
They're anxious for his health.

Say:
They're anxious about his health.

Note:
Anxious meaning wishing very much takes for. Parents are anxious for their children's success.
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