B is the correct answer.
While the Indus Valley has gotten more attention in recent years, it is not considered one of the three classical civilizations.
Sedimentary rocks form beneath the surface of the earth. 
Mummified fossils are commonly found in cold climates. 
<em>[ They are formed when remains are buried rapidly in dry cold or hot environments ]</em>
Answer:Jefferson's plans for the nation depended upon western expansion and access to international markets for American farm products. This vision was threatened, however, when France regained control of Louisiana. NAPOLEON, who had now risen to power in the French Revolution, threatened to block American access to the important port of New Orleans on the Mississippi River. New American settlements west of the Appalachian Mountains depended upon river transport to get their goods to market since overland trade to the east was expensive and impractical.
Explanation:
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The correct answer is C I believe, but please correct me if I’m wrong!
