Question

Miss Anne, said to her class,” Water is a precious natural resources.” ( Change to indirect speech)​

Answer 1

Question:

Miss Anne, said to her class,” Water is a precious natural resources.” (Active)

Answer:

Miss Anne said to her class that water is a precious natural resource. (Passive)

Explanation:

As it is a universal truth so there will be no change in the tense form.

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Answer 2

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Change to indirect speech-

Miss Anne, said to her class,” Water is a precious natural resources.”

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Miss Anne told her class that water is a precious natural resource.

★Here the verb in the quoted statement will not change since the statement is a fact.Though 'said to' will be changed to 'told'.