Question

How did the sundial help our ancestors determine the time of the day?​

Answer 1

Answer:

The sundial: A time-finder

As the Sun moves across the sky, the shadows cast by objects change in length and direction. ... By scratching lines into the earth, our ancestors could define an 'hours' system and begin to count the passing of daylight hours for the very first time. And so we have a sundial—a time-finder.

Explanation:

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Answer 2

Explanation:

explanation is in the above attachment