Reading Comprehension Texts with Questions

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One of the most successful commercial products ever launched is said to have come about as the result of a mistake. In 1896, Jacob's Pharmacy in Atlanta, Georgia, was selling a nerve tonic known as 'French Wine Cola - Ideal Nerve Tonic'
In 1896, Jacob's Pharmacy in Atlanta, Georgia, was selling a nerve tonic known as 'French Wine Cola - Ideal Nerve Tonic'. By accidentally adding fizzy water instead of still water to the recipe, a pharmacist called John S. Pemberton invented what has today become the most popular soft drink in the world: Coca-Cola
phosphoric acid both of which are known to damage teeth. One explanation may be found in the name,also includes a flavouring from the cola tree; cola extract contains caffeine, which is a stimulant, and the Coca-Cola company adds extra caffeine for good measure
there is considerable evidence that over a period of time the consumption of caffeine has to be increased in order for its stimulating effect to be maintained, and so sales of Coke perhaps benefit as a result.