Grade 12th pass6 grade science
2. Why can hand span and arm length not be used as standard units of length?
2. Why can hand span and arm length not be used as standard units of length?
1 Answer
Pawan Prajapati
Ans: because these vary from person to person.
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The function of nodulated roots is
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B. To provide extra strength
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6 grade science
Last Activity: 0 Years ago