Author Question: The presence of a thin film of water on the surface of sand grains results in ________ angle of ... (Read 29 times)

CharlieWard

  • Hero Member
  • *****
  • Posts: 578
The presence of a thin film of water on the surface of sand grains results in ________ angle of repose.
 
  A) a higher
  B) a lower
  C) no change in the

Question 2

Using the hydrologic equation, what would you do to a river if you wanted to prevent flooding?
 
  What will be an ideal response?



ally

  • Sr. Member
  • ****
  • Posts: 331
Answer to Question 1

Answer: A

Answer to Question 2

Answer: Widen, clear, deepen, straighten the channel, or increase the bank by building levees or floodwalls.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Over time, chronic hepatitis B virus and hepatitis C virus infections can progress to advanced liver disease, liver failure, and hepatocellular carcinoma. Unlike other forms, more than 80% of hepatitis C infections become chronic and lead to liver disease. When combined with hepatitis B, hepatitis C now accounts for 75% percent of all cases of liver disease around the world. Liver failure caused by hepatitis C is now leading cause of liver transplants in the United States.

Did you know?

Historic treatments for rheumatoid arthritis have included gold salts, acupuncture, a diet consisting of apples or rhubarb, nutmeg, nettles, bee venom, bracelets made of copper, prayer, rest, tooth extractions, fasting, honey, vitamins, insulin, snow collected on Christmas, magnets, and electric convulsion therapy.

Did you know?

Interferon was scarce and expensive until 1980, when the interferon gene was inserted into bacteria using recombinant DNA technology, allowing for mass cultivation and purification from bacterial cultures.

Did you know?

The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.

Did you know?

The highest suicide rate in the United States is among people ages 65 years and older. Almost 15% of people in this age group commit suicide every year.

For a complete list of videos, visit our video library