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

Author Question: Why are the deposits of streams graded with the largest boulders or pebbles at the bottom? a. The ... (Read 95 times)

K@

  • Hero Member
  • *****
  • Posts: 608
on: Jul 13, 2018
Why are the deposits of streams graded with the largest boulders or pebbles at the bottom?
   a. The largest boulders are always at the bottom; they never move.
   b. The largest boulders eroded from the stream bank immediately roll to the bottom and stay there.
   c. Jostling of boulders, pebbles, and sand in turbulent water moves the boulders to the bottom.
   d. As the water slows after a flood, the largest boulders drop out first.
   e. Tributaries add additional sediment to the stream.

Question 2

What does NOT cause an area of rapids on a stream?
   a. steepening of the channel slope
   b. bedrock in the stream channel
   c. the presence of a thalweg
   d. higher than normal water in the stream bed
   e. greater channel depth and water velocity


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

katheyjon

  • Sr. Member
  • ****
  • Posts: 331
Reply #1 on: Jul 13, 2018
Answer to Question 1

ANSWER: d

Answer to Question 2

ANSWER: d


K@

  • Hero Member
  • *****
  • Posts: 608
Reply #2 on: Jul 13, 2018
Thank you :)


katheyjon

  • Sr. Member
  • ****
  • Posts: 331
Reply #3 on: Jul 13, 2018
Happy to help you


« previous next »
 

Did you know?

As many as 20% of Americans have been infected by the fungus known as Histoplasmosis. While most people are asymptomatic or only have slight symptoms, infection can progress to a rapid and potentially fatal superinfection.

Did you know?

Urine turns bright yellow if larger than normal amounts of certain substances are consumed; one of these substances is asparagus.

Did you know?

Drugs are in development that may cure asthma and hay fever once and for all. They target leukotrienes, which are known to cause tightening of the air passages in the lungs and increase mucus productions in nasal passages.

Did you know?

There are immediate benefits of chiropractic adjustments that are visible via magnetic resonance imaging (MRI). It shows that spinal manipulation therapy is effective in decreasing pain and increasing the gaps between the vertebrae, reducing pressure that leads to pain.

Did you know?

Liver spots have nothing whatsoever to do with the liver. They are a type of freckles commonly seen in older adults who have been out in the sun without sufficient sunscreen.

The Dugong is an endangered species; the largest remaining population is found in Australian waters The Dugong is an endangered species; the largest remaining population is found in Australian waters
Compression ratio is the ratio of the total cylinder volume (when the piston is at the bottom of ... Compression ratio is the ratio of the total cylinder volume (when the piston is at the bottom of ...
Both the top and bottom pattern have the same frequency. However, the amount of on-time varies. Both the top and bottom pattern have the same frequency. However, the amount of on-time varies.
Oceanic Deposits Oceanic Deposits
Squeeze along the length of each finger from web to nail. First along top/bottom and then along the ... Squeeze along the length of each finger from web to nail. First along top/bottom and then along the ...
In Maslow's view, needs operate from the bottom up in this needs hierarchy In Maslow's view, needs operate from the bottom up in this needs hierarchy
Video: Stroke volume - preload, sarcomere length and Frank -Starling law

For a complete list of videos, visit our video library