2/26/2018 A flood is caused by: A. Decreased discharge B. Hydrographs C. Rivers

Question

2/26/2018 A flood is caused by: A. Decreased discharge B. Hydrographs C. Rivers D. Increased discharge 7. What's the relief from Point C to point D on Fig. 17 A. 300 m B. 60 m C. 20 m D. 40 m Ita, what is the rate of progradation? A. 3 m/year B. 30 cm/year C. 1200 cm/year D. 300 m/year Refer to fig. 5 After a major hurricane, the soil is completely saturated and the angle of repose decreases by 20 degrees. The most stable slope would be 9. A. None of the slopes will be stable B. B c. c D. A 10. Which type of channel pattern is formed in a region of parallel ridges? A. Trellis B. Dendritic C. Radial D. Rectangular 11. Warning markers for boats traveling between Bonona Rock and Blue Point are (fig. 4): A. Sandy area B. Rocky waves C. Sunken ships D. Rocks in the waters

Explanation / Answer

A flood is a body of water that covers land which is normally dry. Floods are common natural disasters that can affect millions of people around the world. They destroy houses and buildings, and carry soil away from valuable farming land. Floods can also contaminatedrinking water and lead to diseases. They are often caused by rivers, but overflowing lakes and seas can also cause flooding.

So the answer is rivers (C)

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