« previous next »

Author Question: A sand dune is considered active when A) it is being moved by wind. B) it is being colonized by ... (Read 80 times)

KimWrice

  • Hero Member
  • *****
  • Posts: 579
on: Jul 16, 2018
A sand dune is considered active when
 
  A) it is being moved by wind.
  B) it is being colonized by new plants.
  C) it has been formed by volcanic activity.
  D) it is being dissolved into the sea.

Question 2

The largest typical size for grains of sand that can be commonly moved by wind is
 
  A) 5 micrometers.
  B) 0.5 millimeter.
  C) 1.0 millimeter.
  D) 1.0 centimeter.


Viet Thy

  • Sr. Member
  • ****
  • Posts: 329
Reply #1 on: Jul 16, 2018
Answer to Question 1

Answer: A

Answer to Question 2

Answer: B


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Adult head lice are gray, about ? inch long, and often have a tiny dot on their backs. A female can lay between 50 and 150 eggs within the several weeks that she is alive. They feed on human blood.

Did you know?

All adverse reactions are commonly charted in red ink in the patient's record and usually are noted on the front of the chart. Failure to follow correct documentation procedures may result in malpractice lawsuits.

Did you know?

Congestive heart failure is a serious disorder that carries a reduced life expectancy. Heart failure is usually a chronic illness, and it may worsen with infection or other physical stressors.

Did you know?

The shortest mature adult human of whom there is independent evidence was Gul Mohammed in India. In 1990, he was measured in New Delhi and stood 22.5 inches tall.

Did you know?

Asthma-like symptoms were first recorded about 3,500 years ago in Egypt. The first manuscript specifically written about asthma was in the year 1190, describing a condition characterized by sudden breathlessness. The treatments listed in this manuscript include chicken soup, herbs, and sexual abstinence.

Many households today include young adults who have not moved out of their parents’ homes (or who ... Many households today include young adults who have not moved out of their parents’ homes (or who ...
Active Compared with Passive Voice Active Compared with Passive Voice
Three active forms of vitamin A: all-trans-retinol, -retinal, and –retinoic acid Three active forms of vitamin A: all-trans-retinol, -retinal, and –retinoic acid
Active transport: Absorption Methods in the Small Intestine Active transport: Absorption Methods in the Small Intestine
Active Continental Margins Active Continental Margins
Harvard Alumni Study show who are more physically active in middle adulthood Harvard Alumni Study show who are more physically active in middle adulthood
Video: Neuron Structure Animation

For a complete list of videos, visit our video library