Variations of the Archimedes screw were used for many centuries because diagrams depicting its use were (and still are) widely available. These early documents were precursors to modern engineering ____________________.
Fill in the blank(s) with the appropriate word(s).
drawings
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Irrigation projects in the southwest have almost ruined the _____
a. Ohio River b. Gulf of California c. Colorado River d. Gulf of Mexico
GDI systems improve ___________ and reduces fuel ___________ and ___________.
Fill in the blank(s) with the appropriate word(s).
Compressing a vapor ___________
A) Increases the pressure and increases the temperature. B) Decreases the pressure and increases the temperature. C) Decreases the pressure and decreases the temperature. D) Increases the pressure and decreases the temperature.
Why were Egyptian queens more powerful than the royal women of Mesopotamia?
a. They were the embodiment of powerful goddesses. b. They shared in royal and divine blood. c. They were usually literate and could be scribes. d. They, rather than men, controlled the temples.