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Question 24

One advantage of friction is that it

  • A.enables cutting tools to be sharpened
  • B.increases the efficiency of machines
  • C.produces a lot of heat in machines
  • D.wears off the soles of shoes
Objective

Question details

Exam body
BECE JHS
Subject
Integrated Science
Year
2013
Question no.
#24
Type
Objective
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