Question

what is used shadows to tell time​

Answer 1

Answer:

A sundial is a device that tells the time of day when there is sunlight by the apparent position of the Sun in the sky. In the narrowest sense of the word, it consists of a flat plate (the dial) and a gnomon, which casts a shadow onto the dial.

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Answer 2

Answer:

they always us

ever a critical situation faced inn time every one leaves

us but our shadow never leave us