Question

the short information book become an account of cosmology (add.a.Q.tag)​

Answer 1

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★ First know what is Question tag ?

✰ Question tags is a group of words or text which is added at the end of the sentences which helps to convert the sentences into question form .

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★ The short information book became an account of cosmology

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✰ The short information book became an account of cosmology , didn't it ?