This topic contains a solution. Click here to go to the answer

Author Question: Which of the following is TRUE of nitrogen? A) There is very little nitrogen in the atmosphere. ... (Read 148 times)

skymedlock

  • Hero Member
  • *****
  • Posts: 561
Which of the following is TRUE of nitrogen?
 
  A) There is very little nitrogen in the atmosphere.
  B) The human body obtains the nitrogen it needs from the air.
  C) The nitrogen that the human body needs is derived from foodnot the air.
  D) Nitrogen is a variable gas.

Question 2

Seasonal fluctuations in CO2 emissions reflect
 
  A) seasonal changes in vegetation cover in the higher latitudes of the Northern Hemisphere.
  B) summer melting in the tundra.
  C) increased fuel use for home and building heat in winter months.
  D) geothermal activity, which is highest in the fall.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

cegalasso

  • Sr. Member
  • ****
  • Posts: 295
Answer to Question 1

C

Answer to Question 2

A




skymedlock

  • Member
  • Posts: 561
Reply 2 on: Jul 14, 2018
Wow, this really help


epscape

  • Member
  • Posts: 335
Reply 3 on: Yesterday
Great answer, keep it coming :)

 

Did you know?

Eating carrots will improve your eyesight. Carrots are high in vitamin A (retinol), which is essential for good vision. It can also be found in milk, cheese, egg yolks, and liver.

Did you know?

The cure for trichomoniasis is easy as long as the patient does not drink alcoholic beverages for 24 hours. Just a single dose of medication is needed to rid the body of the disease. However, without proper precautions, an individual may contract the disease repeatedly. In fact, most people develop trichomoniasis again within three months of their last treatment.

Did you know?

Chronic necrotizing aspergillosis has a slowly progressive process that, unlike invasive aspergillosis, does not spread to other organ systems or the blood vessels. It most often affects middle-aged and elderly individuals, spreading to surrounding tissue in the lungs. The disease often does not respond to conventionally successful treatments, and requires individualized therapies in order to keep it from becoming life-threatening.

Did you know?

Barbituric acid, the base material of barbiturates, was first synthesized in 1863 by Adolph von Bayer. His company later went on to synthesize aspirin for the first time, and Bayer aspirin is still a popular brand today.

Did you know?

Approximately 15–25% of recognized pregnancies end in miscarriage. However, many miscarriages often occur before a woman even knows she is pregnant.

For a complete list of videos, visit our video library