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 94 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?

The U.S. Pharmacopeia Medication Errors Reporting Program states that approximately 50% of all medication errors involve insulin.

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?

The highest suicide rate in the United States is among people ages 65 years and older. Almost 15% of people in this age group commit suicide every year.

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?

The B-complex vitamins and vitamin C are not stored in the body and must be replaced each day.

The underside of a male (top) and a female (bottom) individual of Pachygrapsus marmoratus, showing t The underside of a male (top) and a female (bottom) individual of Pachygrapsus marmoratus, showing t
Cairns Birdwing (Ornithoptera euphorion): Australia's largest endemic butterfly Cairns Birdwing (Ornithoptera euphorion): Australia's largest endemic butterfly
Largest Predators Largest Predators
Largest nitric acid plants in the United States Largest nitric acid plants in the United States
A spark plug from an engine that had a blown head gasket. The white deposits could be from the ... A spark plug from an engine that had a blown head gasket. The white deposits could be from the ...
Coal deposits Coal deposits
Video: Nucleic acid digestion -small intestine

For a complete list of videos, visit our video library