This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: Impoundment dams block the movement of silt downstream and cause silt to back up behind the dam. ... (Read 77 times)

jayhills49

  • Hero Member
  • *****
  • Posts: 559
on: Jul 21, 2018

Impoundment dams block the movement of silt downstream and cause silt to back up behind the dam. This is a problem because the built-up silt can cause areas of low oxygen called _______________ sediments.
 
 


 
  Fill in the blank(s) with the appropriate word(s).

Question 2

One effect of dams placed on rivers and streams is the blocking of fish migration. This problem has been somewhat addressed by employing a device called a(n) _______________.
 
  Fill in the blank(s) with the appropriate word(s).


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

bookworm410

  • Sr. Member
  • ****
  • Posts: 341
Reply #1 on: Jul 21, 2018
Answer to Question 1

anoxic

Answer to Question 2

fish ladder


jayhills49

  • Hero Member
  • *****
  • Posts: 559
Reply #2 on: Jul 21, 2018
Thank you!


bookworm410

  • Sr. Member
  • ****
  • Posts: 341
Reply #3 on: Jul 21, 2018
Always glad to help...


« previous next »
 

Did you know?

Most women experience menopause in their 50s. However, in 1994, an Italian woman gave birth to a baby boy when she was 61 years old.

Did you know?

A cataract is a clouding of the eyes' natural lens. As we age, some clouding of the lens may occur. The first sign of a cataract is usually blurry vision. Although glasses and other visual aids may at first help a person with cataracts, surgery may become inevitable. Cataract surgery is very successful in restoring vision, and it is the most frequently performed surgery in the United States.

Did you know?

Giardia is one of the most common intestinal parasites worldwide, and infects up to 20% of the world population, mostly in poorer countries with inadequate sanitation. Infections are most common in children, though chronic Giardia is more common in adults.

Did you know?

Only one in 10 cancer deaths is caused by the primary tumor. The vast majority of cancer mortality is caused by cells breaking away from the main tumor and metastasizing to other parts of the body, such as the brain, bones, or liver.

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.

Amoeboid movement promoted by changes in the locations of actin filaments. Amoeboid movement promoted by changes in the locations of actin filaments.
Vertebral compression Fractures of the spine (vertebra) can cause severe ”band-like” pain that radia Vertebral compression Fractures of the spine (vertebra) can cause severe ”band-like” pain that radia
Cortical Control of Movement Cortical Control of Movement
Dams and Diversions Dams and Diversions
Good body mechanics for sitting on chair while performing massage. A. Sit with back and head in ... Good body mechanics for sitting on chair while performing massage. A. Sit with back and head in ...
Testing Back Pressure with a Pressure Gauge Testing Back Pressure with a Pressure Gauge
Video: Net filtration pressure and lymph formation, edema & blood velocity

For a complete list of videos, visit our video library