The important contribution to navigation made by Eratosthenes in the third-century bc was a reasonably accurate calculation of the circumference of our planet.
Who is Eratosthenes?
Eratosthenes was born in 276 BC and died in 194 BC. He was a well-known poet, mathematician, a researcher in geography, and theorist of music. He was the first to gauge the size of the planet.
The Earth was first measured by Eratosthenes of Cyrene. The precise measurement of Earth's circumference was greatly aided by Eratosthenes' work in the third-century bc.
As a result, the Eratosthenes in the third century bc accurate calculation of the Earth.
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Answer:
differ in the way each elects its leader
Explanation:
Answer:
The case was finally broken open in the summer of 2002. Confronted with evidence obtained through electronic surveillance and other means, the six admitted that they had gone to Afghanistan the previous year and pleaded guilty to training with a terrorist organization. The successful investigation demonstrated the value of sharing government intelligence with law enforcement officials. But even that information could not reveal why the six had gone halfway around the world.
<span>Reason it spread easily: Bacillus travels from person to person pneumatically, or through the air, as well as through the bite of infected fleas and rats.
Reason it is so deadly: No one knew what it was, nor was there a cure.</span>
The correct answer is C. They live in poverty.
Explanation
According to the fragment of the question in which the author describes the degrading treatment of which he has been a victim together with his family by different groups, including the police, saying that "Perhaps it is easy for those who have never felt the stinging darts of segregation to say, "Wait." But when you have seen vicious mobs lynch your mothers and fathers at will and drown your sisters and brothers at whim. "Further on, the author refers to the economic conditions in which Afro people live by saying" when you see the vast majority of your twenty million Negro brothers smothering in an airtight cage of poverty in the midst of an affluent society ", in this fragment the author highlights that their condition is one of poverty. Therefore, it can be affirmed that the social conditions of African Americans According to King they are poverty as he puts it literally, so the correct answer is C. They live in poverty.
