Author Question: All dunes have crests oriented perpendicular to the direction of wind movement. Indicate whether ... (Read 38 times)

sc00by25

  • Hero Member
  • *****
  • Posts: 596
All dunes have crests oriented perpendicular to the direction of wind movement.
  Indicate whether the statement is true or false

Question 2

What is an expansive soil?



sabina576

  • Sr. Member
  • ****
  • Posts: 356
Answer to Question 1

False

Answer to Question 2

Some soils contain clay minerals that increase in volume when wet and shrink when they dry out. Any soil that expands 6 or more is an expansive soil.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

When Gabriel Fahrenheit invented the first mercury thermometer, he called "zero degrees" the lowest temperature he was able to attain with a mixture of ice and salt. For the upper point of his scale, he used 96°, which he measured as normal human body temperature (we know it to be 98.6° today because of more accurate thermometers).

Did you know?

The average person is easily confused by the terms pharmaceutics and pharmacology, thinking they are one and the same. Whereas pharmaceutics is the science of preparing and dispensing drugs (otherwise known as the science of pharmacy), pharmacology is the study of medications.

Did you know?

This year, an estimated 1.4 million Americans will have a new or recurrent heart attack.

Did you know?

In ancient Rome, many of the richer people in the population had lead-induced gout. The reason for this is unclear. Lead poisoning has also been linked to madness.

Did you know?

The human body's pharmacokinetics are quite varied. Our hair holds onto drugs longer than our urine, blood, or saliva. For example, alcohol can be detected in the hair for up to 90 days after it was consumed. The same is true for marijuana, cocaine, ecstasy, heroin, methamphetamine, and nicotine.

For a complete list of videos, visit our video library