Problem: Scientists believe that amber was deposited in a flat part of a prehistoric basin in a delta of a marine river during the Upper Eocene and the Lower Oligocene .
Scientists believe that amber was deposited in a flat part of a sea basin in a delta of a prehistoric river during the Upper Eocene and the Lower Oligocene .
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A: no

Problem: Ultron was created by the writer Roy Thomas and the artist John Buscema .
Ultron was created by writer John Buscema and artist Roy Thomas .
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A: no

Problem: In later life he was an atheist , but in the early stages became a believer .
He was an atheist in later life , but converted into a believer in the early stages .
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A:
yes