« previous next »

Author Question: Which of the following is a form of nitrogen fixation? A) N2 + O2 + energy(lightning) 2 NO B) ... (Read 69 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?

Opium has influenced much of the world's most popular literature. The following authors were all opium users, of varying degrees: Lewis Carroll, Charles, Dickens, Arthur Conan Doyle, and Oscar Wilde.

Did you know?

There are more bacteria in your mouth than there are people in the world.

Did you know?

The most common treatment options for addiction include psychotherapy, support groups, and individual counseling.

Did you know?

The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.

Did you know?

Cucumber slices relieve headaches by tightening blood vessels, reducing blood flow to the area, and relieving pressure.

DNA consists of two complementary strands wound around each other to form DNA consists of two complementary strands wound around each other to form
Historical U.S. Energy Use Historical U.S. Energy Use
Instructions for Completing the CMS-1500 (02/12) Claim Form Instructions for Completing the CMS-1500 (02/12) Claim Form
How to graph quadratic equations that are in vertex form How to graph quadratic equations that are in vertex form
The oceans continue to absorb most of the excess energy trapped by greenhouse gases The oceans continue to absorb most of the excess energy trapped by greenhouse gases
Annual Energy Flow: Silver Springs Annual Energy Flow: Silver Springs
Video: Oxygen - hemoglobin dissociation curve & Hemoglobin's affinity with oxygen - acidity

For a complete list of videos, visit our video library