Answer:
C. They all developed near a major body of water.
Explanation:
The earliest known civilizations, in the valleys of the Nile, Euphrates, Tigris, and Indus rivers and in Southeast Asia, have developed near either the Mediterranean or the Indian Ocean.
Jonas Salk<span> </span><span>was an American </span>medical researcher<span> and </span>virologist<span>. He discovered and developed one of the first successful </span>polio vaccines in the 1950's.
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The effects of the Black Death were many and varied. Trade suffered for a time, and wars were temporarily abandoned. Many labourers died, which devastated families through lost means of survival and caused personal suffering; landowners who used labourers as tenant farmers were also affected.
Answer:
Boston
Explanation:
From Boston, the fall wave spread across the United States in six weeks. In Philadelphia, 10,959 people died of influenza in October.
