« previous next »

Author Question: Of the main nutrients in the biosphere, the one that is fixed inside nodules in certain plant roots ... (Read 80 times)

KWilfred

  • Hero Member
  • *****
  • Posts: 570
on: Jul 13, 2018
Of the main nutrients in the biosphere, the one that is fixed inside nodules in certain plant roots is ________.
 
  A) carbon
  B) nitrogen
  C) oxygen
  D) hydrogen
  E) calcium

Question 2

Which of the following is NOT a source of atmospheric oxygen in the oxygen cycle?
 
  A) The weathering of rocks
  B) The burning of fossil fuels
  C) Water from plant transpiration
  D) Decomposition of water during photosynthesis
  E) Decomposition of nitrogen by solar energy
McKnight's Physical Geography: A Landscape Appreciation ¦ Hess, Tasa ¦ 12th Edition
Buy Test-Bank


kaillie

  • Sr. Member
  • ****
  • Posts: 326
Reply #1 on: Jul 13, 2018
Answer to Question 1

Answer: B

Answer to Question 2

Answer: E


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Symptoms of kidney problems include a loss of appetite, back pain (which may be sudden and intense), chills, abdominal pain, fluid retention, nausea, the urge to urinate, vomiting, and fever.

Did you know?

Excessive alcohol use costs the country approximately $235 billion every year.

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?

Human neurons are so small that they require a microscope in order to be seen. However, some neurons can be up to 3 feet long, such as those that extend from the spinal cord to the toes.

Did you know?

The human body produces and destroys 15 million blood cells every second.

Plant Plant
Plant Plant
Plant Plant
Fixed bed state (i) and complete fluidization (ii) Fixed bed state (i) and complete fluidization (ii)
Organization of plant cell walls Organization of plant cell walls
diagram of a plant diagram of a plant
Video: Deafness Culture

For a complete list of videos, visit our video library