« previous next »

Author Question: The idea of base level refers to A) an evolutionary cycle of landscape development from fluvial ... (Read 81 times)

kamilo84

  • Sr. Member
  • ****
  • Posts: 495
on: Jul 14, 2018
The idea of base level refers to
 
  A) an evolutionary cycle of landscape development from fluvial action.
  B) the amount of discharge in a particular reach of a stream.
  C) a level below which a stream cannot erode its valley.
  D) the stream gradient.
  E) the average height of a stream channel.

Question 2

The residence time of carbon dioxide (CO2 ) is
 
  A) 50 to 200 years.
  B) approximately 90 days.
  C) 45 days.
  D) 50,000 years.
  E) 12 years.


jaygar71

  • Sr. Member
  • ****
  • Posts: 323
Reply #1 on: Jul 14, 2018
Answer to Question 1

C

Answer to Question 2

A


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Prostaglandins were first isolated from human semen in Sweden in the 1930s. They were so named because the researcher thought that they came from the prostate gland. In fact, prostaglandins exist and are synthesized in almost every cell of the body.

Did you know?

About 600,000 particles of skin are shed every hour by each human. If you live to age 70 years, you have shed 105 pounds of dead skin.

Did you know?

When Gabriel Fahrenheit invented the first mercury thermometer, he called "zero degrees" the lowest temperature he was able to attain with a mixture of ice and salt. For the upper point of his scale, he used 96°, which he measured as normal human body temperature (we know it to be 98.6° today because of more accurate thermometers).

Did you know?

When intravenous medications are involved in adverse drug events, their harmful effects may occur more rapidly, and be more severe than errors with oral medications. This is due to the direct administration into the bloodstream.

Did you know?

Though newer “smart” infusion pumps are increasingly becoming more sophisticated, they cannot prevent all programming and administration errors. Health care professionals that use smart infusion pumps must still practice the rights of medication administration and have other professionals double-check all high-risk infusions.

Complete Menstrual Cycle Complete Menstrual Cycle
The Nile Delta will be strongly affected by a rise in sea level of 50 cm The Nile Delta will be strongly affected by a rise in sea level of 50 cm
A Drug’s Plateau Level A Drug’s Plateau Level
Stages of Oocyte Development Stages of Oocyte Development
Ovarian cycle Ovarian cycle
Acetyl–CoA Formation and the Krebs Cycle Acetyl–CoA Formation and the Krebs Cycle
Video: How does an animal choose what food to eat?

For a complete list of videos, visit our video library