Explanation:
The Romans actually used urine to brush their teeth. They did this because of the presence of ammonia in it.
Paul Revere's engraving of the Boston Massacre<span>, 1770. By the beginning of 1770, there were 4,000 British soldiers in </span>Boston<span>, a city with 15,000 inhabitants, and tensions were running high. ... A shot rang out, and then several soldiers fired their weapons.</span>
B. chief examiner.
A chief examiner would be someone or something else unrelated entirely. Perhaps a police chief or a medical examiner are the closest to a "chief examiner" anything.
Answer:
Indian Subcontinent
Explanation:
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