Which sentence correctly forms the plural of 1900?

a.
was the helicopter invented in the 1900s'?

b.
was the helicopter invented in the 1900's?

c.
was the helicopter invented in the 1900s?

Which character threatens several times to kill solomon northup in twelve years a slave? clemens ray burch john williams robert

Read this passage.my career in journalism has taught me the challenges of capturing sporting events, yet gregor powell's descriptions are flawless. powell is a gold-medal paralympic swimmer, but his memoir proves that his true strength is the power of his insights.what feature distinguishes this passage as a foreword?

Why do you think frank tashlin titled this story  the bear that wasn’t? why didn’t the factory officials recognize the bear for what he was? why did it become harder and harder for the bear to maintain his identity as he moved through the bureaucracy of the factory?