Question

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Answer 1

A clock is a device used to measure, keep, and indicate time. The clock is one of the oldest human inventions, meeting the need to measure intervals of time shorter than the natural units: the day, the lunar month, and the year. ... Water clocks, along with the sundials, are possibly the oldest time-measuring instruments.

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Answer 2

Answer:

transfer pollen grained from the another to the stigma of a different flower transfers limited number of pollens required pollination to transfer pollen grained it occurs in both unisexual and bisexual flowers

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transfers pollen grained from the another to the stigma of a different flower transfers limited number of pollens required pollination to transfer pollen grained it occurs in both unisexual and bisexual flowers

hope that u r helpful

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