Author Question: Roughly ________ of all iron and steel produced each year is used to replace corroded items. A) 4 ... (Read 38 times)

karen

  • Hero Member
  • *****
  • Posts: 537
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

  • Sr. Member
  • ****
  • Posts: 333
Answer to Question 1

B

Answer to Question 2

D



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question


 

Did you know?

For high blood pressure (hypertension), a new class of drug, called a vasopeptidase blocker (inhibitor), has been developed. It decreases blood pressure by simultaneously dilating the peripheral arteries and increasing the body's loss of salt.

Did you know?

Interferon was scarce and expensive until 1980, when the interferon gene was inserted into bacteria using recombinant DNA technology, allowing for mass cultivation and purification from bacterial cultures.

Did you know?

The average adult has about 21 square feet of skin.

Did you know?

A seasonal flu vaccine is the best way to reduce the chances you will get seasonal influenza and spread it to others.

Did you know?

ACTH levels are normally highest in the early morning (between 6 and 8 A.M.) and lowest in the evening (between 6 and 11 P.M.). Therefore, a doctor who suspects abnormal levels looks for low ACTH in the morning and high ACTH in the evening.

For a complete list of videos, visit our video library