Othman is the same person and the same name as Osman - so the correct answer is b). Othman or Osman started the house of Osman in Turkey
In fact, in some European languages this is still seen, for example in German the Ottoman Empire is called "Osmanisches Reicht" - the Empire of Osman.
When too much sugar is taken, it leads to dental caries because bacteria uses sugar to damage the enamel by producing harmful acid.
Dental caries:
- Is the destruction of the enamel
- Is caused by bacteria in the mouth
- Leads to tooth decay
When we eat too much sugar, bacteria takes this sugar and synthesizes acid. This acid then eats through the enamel and weakens it till it is destroyed thereby leading to tooth decay.
In conclusion, we should not eat too much sugar or else we might develop tooth decay.
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It would be all the above
C. They made it easier to perform calculations.
