« previous next »

Author Question: Which of the following is a form of nitrogen fixation? A) N2 + O2 + energy(lightning) 2 NO B) ... (Read 34 times)

serike

  • Hero Member
  • *****
  • Posts: 542
on: Aug 27, 2018
Which of the following is a form of nitrogen fixation?
 
  A) N2 + O2 + energy(lightning)  2 NO
  B) N2 + 3 H2  2 NH3
  C) N2 + bacteria  nitrates
  D) All are forms of nitrogen fixation.

Question 2

Approximately what percentage of known compounds are classified as organic compounds?
 
  A)  95
  B)  70
  C)  40
  D)  20


matt95

  • Sr. Member
  • ****
  • Posts: 317
Reply #1 on: Aug 27, 2018
Answer to Question 1

D

Answer to Question 2

A


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Approximately one in three babies in the United States is now delivered by cesarean section. The number of cesarean sections in the United States has risen 46% since 1996.

Did you know?

Hypertension is a silent killer because it is deadly and has no significant early symptoms. The danger from hypertension is the extra load on the heart, which can lead to hypertensive heart disease and kidney damage. This occurs without any major symptoms until the high blood pressure becomes extreme. Regular blood pressure checks are an important method of catching hypertension before it can kill you.

Did you know?

A cataract is a clouding of the eyes' natural lens. As we age, some clouding of the lens may occur. The first sign of a cataract is usually blurry vision. Although glasses and other visual aids may at first help a person with cataracts, surgery may become inevitable. Cataract surgery is very successful in restoring vision, and it is the most frequently performed surgery in the United States.

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?

Essential fatty acids have been shown to be effective against ulcers, asthma, dental cavities, and skin disorders such as acne.

The Z scheme, which depicts the energy of an electron as it moves from photosystem II to NADP+ The Z scheme, which depicts the energy of an electron as it moves from photosystem II to NADP+
Lightning Casualties in the United States by Location or Activity Lightning Casualties in the United States by Location or Activity
Renewable Energy Efforts Renewable Energy Efforts
“New” Renewable Energy Sources “New” Renewable Energy Sources
Mixing alcohol with caffeinated energy drinks can have dangerous consequences Mixing alcohol with caffeinated energy drinks can have dangerous consequences
Ecosystem Energy Flow and Efficiency Ecosystem Energy Flow and Efficiency
Video: Lipid absorption - end products & transport mechanism

For a complete list of videos, visit our video library