Multiple Choice
Which of the following produces useful nitrogen compounds to fertilize crops?
A) nitrogen fixation through lightning discharges
B) nitrogen fixation with nitrogen-fixing bacteria such as Rhizobium
C) fertilizers produced by the Haber Process from elemental nitrogen and hydrogen
D) all of these
Correct Answer:
Verified
Correct Answer:
Verified
Q7: The compartments of our planet are<br>A)hydrosphere, lithosphere,
Q8: Nitrogen fixation is the process that converts<br>A)atmospheric
Q9: Why is nitrogen an element one would
Q10: The only significant way oxygen (O<sub>2</sub>) enters
Q11: Which of the following cycles does not
Q13: Continuous processes operating with little change for
Q14: Respiration is the<br>A)breakdown of water and carbon
Q15: Limestone is a very compressed form of<br>A)Carbon
Q16: Photosynthesis is the process by which<br>A) carbohydrates
Q17: The average time that an atom of