What was the first evidence that suggested the Earth's crust might be broken into pieces?
A) Echo soundings aboard the Meteor
B) Plotting of deep earthquakes in the Pacific Ring of Fire
C) Radiometric dating
D) Radioactive decay
B
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The mean surface temperature of Earth is about ________.
A. 10°C B. 5°C C. 16°C D. 26°C E. 22°C
Nigeria's cultural diversity is summed up by
A) the diverse ecosystems that make up the country. B) the more than 500 distinct languages spoken there. C) its location in western Africa. D) its colonial history under the British. E) the movement of the capital from Lagos to Abuja.
Humankind has adapted itself to varying conditions through the evolution of
A) environmental determinism. B) culture and technology. C) avoiding racial interbreeding. D) living in temperate environments.
Why did the debris separate into two lobes at the far end of the slide?
The question is based on Figure 38-8, a digital elevation model showing the 2014 Oso, Washington, landslide along the North Fork Stillaguamish River, and color Map T-26b in the back of the Lab Manual, showing a portion of the “Mount Higgins, Washington” quadrangle (scale 1:24,000; contour interval 40 feet); this same topographic map is reproduced in black-and-white as Figure 38-14. What will be an ideal response?