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What is steel made of?

iron and coal

iron and titanium

iron and quartz

iron and magnesium

Carbon steel, composed simply of iron and carbon, accounts for 90% of steel production. Low alloy steel is alloyed with other elements, usually molybdenum, manganese, chromium, or nickel, in amounts of up to 10% by weight to improve the hardenability of thick sections.

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Belarus

78%

11%

3%

4%

88

Poland

76%

8%

5%

8%

14303

the Netherlands

76%

11%

7%

3%

26

Russia

68%

12%

4%

9%

473

Germany

66%

10%

10%

11%

679

Austria

60%

15%

10%

9%

94

Switzerland

60%

15%

7%

15%

53

Australia

59%

17%

3%

19%

96

Ukraine

57%

21%

7%

11%

458

Kazakhstan

50%

23%

4%

16%

81

Malaysia

50%

32%

3%

14%

28

Uzbekistan

50%

21%

14%

10%

28

the United Kingdom

49%

24%

5%

18%

248

the United Arab Emirates

42%

23%

19%

11%

26

India

39%

15%

14%

29%

799

the United States

39%

23%

7%

26%

453

Nigeria

34%

19%

15%

27%

126

Canada

31%

24%

8%

33%

45

Pakistan

30%

28%

19%

20%

78

the Philippines

25%

25%

9%

38%

63

Brass is an alloy made of ...

nickel and copper

zinc and copper

bronze and copper

brass is a chemical element

When and where was the idea of gold, silver and bronze medals for sport event competitors introduced?

10th century BC, Ancient Greece

3rd century AD, Ancient Rome

1904 Summer Olympics, St. Louis

1936 Summer Olympics, Berlin

What material are church bells made of?

What is the name of this fruit?