Author Question: The sensation of heartburn is caused by A) backflow of stomach acid into the esophagus. B) a ... (Read 58 times)

809779

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The sensation of heartburn is caused by
 
  A) backflow of stomach acid into the esophagus.
  B) a build-up of fluid in the lungs.
  C) a blockage in the small intestine.
  D) excess air in the stomach.

Question 2

Some STIs have reached superbug resistance status.
 
  Indicate whether the statement is true or false



owenfalvey

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Answer to Question 1

A

Answer to Question 2

TRUE



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