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

Author Question: What organism usually fixes nitrogen into usable chemical forms? A) Archaea B) Extremophiles C) ... (Read 91 times)

plus1

  • Hero Member
  • *****
  • Posts: 676
What organism usually fixes nitrogen into usable chemical forms?
 A) Archaea
  B) Extremophiles
  C) Cyanobacteria
  D) All of these choices

Question 2

Thermohaline circulation is a ____ phenomenon.
 A) small-scale
  B) global
  C) local
  D) coastal



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

jlaineee

  • Sr. Member
  • ****
  • Posts: 380
Answer to Question 1

C

Answer to Question 2

B



plus1

  • Hero Member
  • *****
  • Posts: 676
Both answers were spot on, thank you once again



jlaineee

  • Sr. Member
  • ****
  • Posts: 380

 

Did you know?

All adults should have their cholesterol levels checked once every 5 years. During 2009–2010, 69.4% of Americans age 20 and older reported having their cholesterol checked within the last five years.

Did you know?

There used to be a metric calendar, as well as metric clocks. The metric calendar, or "French Republican Calendar" divided the year into 12 months, but each month was divided into three 10-day weeks. Each day had 10 decimal hours. Each hour had 100 decimal minutes. Due to lack of popularity, the metric clocks and calendars were ended in 1795, three years after they had been first marketed.

Did you know?

Chronic marijuana use can damage the white blood cells and reduce the immune system's ability to respond to disease by as much as 40%. Without a strong immune system, the body is vulnerable to all kinds of degenerative and infectious diseases.

Did you know?

Looking at the sun may not only cause headache and distort your vision temporarily, but it can also cause permanent eye damage. Any exposure to sunlight adds to the cumulative effects of ultraviolet (UV) radiation on your eyes. UV exposure has been linked to eye disorders such as macular degeneration, solar retinitis, and corneal dystrophies.

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.

For a complete list of videos, visit our video library