Question

The teacher said Earlier people were not aware that the earth is round
Change in indirect speech

Answer 1

Correct Question:
The teacher said, "Earlier people were not aware that the earth is round."
(Change into indirect speech)

Indirect Speech:
The teacher said that earlier people were not aware that the earth is round.

Additional information:
Direct speech is a sentence in which the actual words spoken by the speaker is written within inverted commas.

On the other hand, indirect speech is a sentence in which the words spoken are written without any inverted and commas and after making sufficient changes.

Answer 2

Hello!

Here is your answer!!!

Answer:- The teacher said that "earlier people were aware that earth is round.

-----------------------------------------------

Given correct sentence:- "The teacher said Earlier people were not aware that the earth is round."

-----------------------------------------------

Direct speech => This type of speech is a sentence in which there are the exact words used by the speaker. Direct speech is made with inverted comma, comma, quotations and many more.

Indirect speech => In this type of speech, sentences are reported without using inverted comma, full stop, quotations

===================================================

I hope this helps you!!