Author Question: Nitrogen is the ________ component of the atmosphere in terms of volume. A) main B) second C) ... (Read 63 times)

lracut11

  • Hero Member
  • *****
  • Posts: 536
Nitrogen is the ________ component of the atmosphere in terms of volume.
 
  A) main
  B) second
  C) third
  D) fourth
  E) fifth

Question 2

Oxygen (O2) is being added to the atmosphere by ________.
 
  A) solar radiation
  B) animal decomposition
  C) meteorites
  D) vegetation
  E) the burning of coal


morganmarie791

  • Sr. Member
  • ****
  • Posts: 336
Answer to Question 1

Answer: A

Answer to Question 2

Answer: D



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question


 

Did you know?

More than 34,000 trademarked medication names and more than 10,000 generic medication names are in use in the United States.

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.

Did you know?

Critical care patients are twice as likely to receive the wrong medication. Of these errors, 20% are life-threatening, and 42% require additional life-sustaining treatments.

Did you know?

Addicts to opiates often avoid treatment because they are afraid of withdrawal. Though unpleasant, with proper management, withdrawal is rarely fatal and passes relatively quickly.

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.

For a complete list of videos, visit our video library