In the following question, out of the four alternatives, select the alternative which best expresses the meaning of the idiom/phrase.
A bad hair day
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Select the word with the correct spelling.
beating around the bush
The unit of measurement of noise is
The increasing order of the refractive index of certain materials is (left to right) .......
The process of electric discharge between clouds and the earth or between different clouds causes _____________.
Chemical formula for sulphurous acid is:
Benzene is ______ in ethyl alcohol.