Misc: In 1977 Groucho---------- , died in Los Angeles at the age of 86. ?

Questions

The chinese were using what metal to make things as early as 300 ad?

The city of winnipeg manitoba's by-pass is known as _____?

The coast line around this lake in North Dakota is longer than the California coastline along the Pacific Ocean.?

The easybeats released "friday on my _____"?

The empire state building was completed in 1930, 1931 or 1932?