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

Author Question: Which of the following is TRUE of nitrogen? A) There is very little nitrogen in the atmosphere. ... (Read 220 times)

skymedlock

  • Hero Member
  • *****
  • Posts: 561
on: Jul 14, 2018
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
Reply #1 on: Jul 14, 2018
Answer to Question 1

C

Answer to Question 2

A


skymedlock

  • Member
  • Posts: 561
Reply 2 on: Jul 14, 2018
Great answer, keep it coming :)

Dinolord

  • Member
  • Posts: 313
Reply 3 on: Yesterday
:D TYSM

« previous next »
 

Did you know?

According to the FDA, adverse drug events harmed or killed approximately 1,200,000 people in the United States in the year 2015.

Did you know?

The average person is easily confused by the terms pharmaceutics and pharmacology, thinking they are one and the same. Whereas pharmaceutics is the science of preparing and dispensing drugs (otherwise known as the science of pharmacy), pharmacology is the study of medications.

Did you know?

About 3.2 billion people, nearly half the world population, are at risk for malaria. In 2015, there are about 214 million malaria cases and an estimated 438,000 malaria deaths.

Did you know?

In women, pharmacodynamic differences include increased sensitivity to (and increased effectiveness of) beta-blockers, opioids, selective serotonin reuptake inhibitors, and typical antipsychotics.

Did you know?

Thyroid conditions cause a higher risk of fibromyalgia and chronic fatigue syndrome.

true story true story
The Atmosphere’s Oxygen Came from PhotosyntheticOrganisms The Atmosphere’s Oxygen Came from PhotosyntheticOrganisms
The Structure of the Atmosphere The Structure of the Atmosphere
A difference in oxygen content between the atmosphere and the exhaust gases enables an O2S to ... A difference in oxygen content between the atmosphere and the exhaust gases enables an O2S to ...
Permanent Gases of the Atmosphere Permanent Gases of the Atmosphere
Video: Rena arc construction

For a complete list of videos, visit our video library