Author Question: All dunes have crests oriented perpendicular to the direction of wind movement. Indicate whether ... (Read 72 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?

Blood in the urine can be a sign of a kidney stone, glomerulonephritis, or other kidney problems.

Did you know?

The familiar sounds of your heart are made by the heart's valves as they open and close.

Did you know?

According to the CDC, approximately 31.7% of the U.S. population has high low-density lipoprotein (LDL) or "bad cholesterol" levels.

Did you know?

The modern decimal position system was the invention of the Hindus (around 800 AD), involving the placing of numerals to indicate their value (units, tens, hundreds, and so on).

Did you know?

IgA antibodies protect body surfaces exposed to outside foreign substances. IgG antibodies are found in all body fluids. IgM antibodies are the first type of antibody made in response to an infection. IgE antibody levels are often high in people with allergies. IgD antibodies are found in tissues lining the abdomen and chest.

For a complete list of videos, visit our video library