Question

how can we make a clock that dosent need battery or something ​

Answer 1

Answer:

it will be by the old method

by the sunraise you can define time

Explanation:

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Answer 2

Explanation:

IN THE WAY OF ANCIENT PEOPLE LIKE :-

SUNDIALS

SAND CLOCK

OR WE CAN MAKE OR DEVELOP CLOCKS WITH SOLAR POWER / ENERGY .

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