Answer:
A
Explanation:
Archimedes systematized the design of simple machines and the study of their functions and developed a rigorous theory of levers and the kinematics of the screw. His works contain a set of concrete principles upon which mechanics could be developed as a science using mathematics and reason.
The first calculation of π(pi) was done by Archimedes of Syracuse (287–212 BC), one of the greatest mathematicians of the ancient world.
Answer:
Dobie began to publish his first articles in 1919; by 1920 he was writing articles mostly about Longhorn cattle and life in the southwest. Upon returning to Austin, Dobie published his first book, A Vaquero of the Brush Country in 1929, which helped establish him as an authentic voice of Texas and southwestern culture.
Explanation:
He created a trust that controlled 90% of the nation's oil refineries. If I remember correctly, horizontal integration is when you buy out the other businesses in the same market, while vertical integration is where you take control of everything related to your product, which is getting the oil, refining it, and distributing it, rather than selling those tasks out to third parties.
The Red Sea. Something you should have learned in Social Studies. :) ... Which was a result of Portugal'swater route<span> in the spice </span>trade<span>? Italy lost a monopoly. hope this helps
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