general knowledge 131

Test # 131

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1.
Consider the following:
1. Submarine Communications
2. AM Radio
3. Short Wave Radio
4. Radar
Arrange the above in increasing frequency of the waves used in their applications.


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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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