If you lived along the shoreline, on which side of a groin, relative to the longshore current, would you prefer to locate your home? Why?
What will be an ideal response?
I would prefer my home to be on the up-current side of the groin because the beach there will get larger over time as sand transported by the longshore current is trapped behind the groin. In contrast, the beach on the down-current side of the groin will be sediment-starved and will likely erode away over time.
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The earliest documented recognition that misuse of the natural environment can have nasty consequences was
A. Plato's writings 2500 years ago. B. George Perkins Marsh's 1864 publication of Man and Nature. C. Roosevelt's warnings about overuse a century ago. D. Rachel Carson's Silent Spring, alerting the public to the dangers of pollution in 1962.
What was the Meteor expedition's most important innovation?
A) The echo sounder B) The bathyscaphe C) Modern optical equipment D) The steam winch
Determine the correct location on the Venn diagram for the following phrase based upon your understanding of volcanoes. Lowest silica magma
What percent of Mongolians still practice nomadic pastoralism?
A) one-fourth (25%) B) one-third (33%) C) one half (50%) D) two-thirds (66%) E) one-fifth (20%)