please help me please give reasons for 1.hand span and cubit cannot be used stanard units of length 2.there is a construction in clinical thermometer 1. &2. are only questions
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✨Handspan and cubit cannot be used as a standard unit of length . This is because these are not particular measurements . Like the handspan will vary from person to person and the true value would not be same . This is the biggest limitation . Thus, they do not provide accurate measurements .
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✨The distance between Delhi and Patna cannot be measured in milimeters . This is because the distance between them is very large and milimeters are a very small unit of length . It can be measured in larger units of length like kilometers .
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