Oceanic basin an active - and growing - oceanic basin include an elevated mid-ocean ridge, flanking abyssal hills leading down to abyssal plains. The elements of an active oceanic basin often include the oceanic trench associated with a subduction zone. The Atlantic ocean and the Arctic ocean are good examples of active, growing oceanic basins, whereas the Mediterranean Sea is shrinking. The Pacific Ocean is also an active, shrinking oceanic basin, even though it has both spreading ridge and oceanic trenches. Perhaps the best example of an inactive oceanic basin is the Gulf of Mexico, which formed in Jurassic times and has
The Lowest Animal The Lowest Animal The Lowest Animal is an 1896 philosophical essay written by American author Mark Twain. Twain describes fictional experiments he did with animals in which they showed greater civility than humans. In the essay Twain satirizes human nature by describing a series of experiments he supposedly conducted at the London Zoological Gardens. Twain takes Darwin's evolution theory that humans evolved from earlier ancestors, or “lower animals,” and turns it upside down. He describes deeds done by powerful people against the helpless, and states the many ideas that made him ponder about the lack of humanity. He ends the