Author Question: Roughly ________ of all iron and steel produced each year is used to replace corroded items. A) 4 ... (Read 63 times)

karen

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Roughly ________ of all iron and steel produced each year is used to replace corroded items.
 
  A) 4
  B) 20
  C) 50
  D) 75

Question 2

The feature that makes iron a useful material is its
 
  A) resistance to corrosion.
  B) low weight to strength ratio.
  C) high weight to strength ratio.
  D) ability to form a variety of alloys with a variety of metals.



meow1234

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Answer to Question 1

B

Answer to Question 2

D



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