Who was the first to recognize the connection of the moon's position to the tides?
a. Isaac Newton
b. Aristotle
c. Galileo
d. Pytheas
ANS: D
Pytheas made the connection between the moon and the tides in 300 B.C. The full understanding did
not occur until Isaac Newton explained gravitation to the world. Information can be found in the
section Tides Are the Longest of All Ocean Waves.
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The Industrial Revolution began in Europe around
a. 1600. b. 1650. c. 1775. d. 1875. e. 1900.
Which of the following is the fuel for continental drift and plate tectonics?
A) Chemical reactions in Earth's core B) Solar energy C) Nuclear fusion D) Radioactive decay
Critical Thinking
Building the dirt road in the accompanying figure could be seen by some as a benefit. List three potential benefits building a dirt road in an area such as this.
What will be an ideal response?
The point at which strain and stress become nonlinear in a strength test is called the:
a. ductile point b. strength c. unconfined compressive strength d. elastic limit