Reported speech types definition .And to to convert it.

There are two main types of reported speech: direct speech and indirect speech. Direct speech repeats the exact words the person used, or how we remember their words: Barbara said, “I didn't realise it was midnight.” In indirect speech, the original speaker's words are changed.

Explanation:

the unsaturated fatty acid is a fat consist of one or more double bond in the fatty acid chain. if it contains one double bond then called as monounsaturated fatty acid however if, it contains more than one bonds called as a polyunsaturated fatty acid. true fatty acids are called unsaturated fatty acids as it reduces the risk of high blood cholesterol and good for health.

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