Answer:arrow heads
Explanation: the native americans used them
One of Josephine Baker’s most famous professional tasks was tracking down Mary Mallon (“Typhoid Mary”) in 1907. The way Ms. Mallon’s case was handled raises some interesting questions even today about conflicts between personal rights and public health: George Soper at the Department of Health Laboratories had investigated seven family epidemics of typhoid going back to 1900. He found that they were all linked to the cook [Mary Mallon] in each family.
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The answer is F because Barack Obama was the first black president of the United States
Answer: The correct answer is: In ancient Babylon, fingerprints were pressed on clay tablets to mark contracts. The oldest documents known as such where fingerprints are shown date from China in the third century B.C. Sir William Herschel began collecting fingerprints in 1856 and noted that they were not altered with age. In 1888 Sir Francis Galton together with Sir Edmund Richard Henry developed the fingerprint classification system and this system is still used in the United States. Identification by fingerprints is very reliable.
