Science, asked by farhan90151, 9 months ago

how is levelling done?what is the need for it?

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Answered by sharbapalodhi

Answer:

Levelling is a process of determining the height of one level relative to another. It is used in surveying to establish the elevation of a point relative to a datum, or to establish a point at a given elevation relative to a datum.

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how is levelling done?what is the need for it?​

Answers

how is levelling done?what is the need for it?