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Give two reasons, why do we need to group materials?

Give two reasons, why do we need to group materials?

Grade:6

2 Answers

Varada Narayanan
26 Points
one year ago
 we group materials for convienience and studying purposes................................................................................................
Vijay
48 Points
one year ago
Dear students 
 
we need to group materials because of following reasons -
  1. It helps to study more efficient manner in commom way
  2. it also helps to differentiate one things to another 
examples – conservative force and non-conservative force , Periodic table . 

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