What does this texture indicate about the formation of this rock?
A. It formed from an explosive pyroclastic eruption.
B. The magma formed some crystals before rising closer to the surface and solidifying.
C. The rock solidified at great depth.
D. The magma had abundant dissolved gas.
Answer: D
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The Middle to Late Devonian was a time of major reef building worldwide. Indicate whether the statement is true or false
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A) ?forms a gas by breaking all of its hydrogen bonds B) ?behaves like all other liquids and increases in density C) ?begins to decrease in density by expanding D) ?compresses its molecular structure and becomes more saline
The extinction of the dinosaurs was likely caused by
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Michael Pollan, in his landmark book The Omnivore's Dilemma, investigates and discussed the practices of meat production in modern, industrialized agriculture in the United States
After his extensive study, he writes that he believes hunting for meat may be the more humane and wise choice. He cites the fact that game animals at least live their lives in a free, uncaged environment, compared with beef cattle that spend much of their lives confined in feedlots, standing in manure and eating grain they are not designed to digest. Additionally, the game animal typically has a relatively quick and painless death. Discuss this issue. Include in your discussion aspects of animal cruelty, relative availability of the meat to satisfy food needs for a large population, and the relative impacts of farming versus hunting on biodiversity. What will be an ideal response