Sources of nitrogen to the soil include the following except
Lightening
Urea
Blue-green algae
Residues of burning activities
Correct answer is D
No explanation has been provided for this answer.
Logical Reasoning Questions and Answers
Abstract Reasoning Questions and Answers
Verbal Reasoning Questions and Answers
Spatial Reasoning Questions and Answers
Typing Speed and Accuracy Test
Microsoft Office Questions and Answers
Numerical Reasoning Questions and Answers
Situational Judgement Questions and Answers
Personality Test
Puzzles Questions and Answers
Quantitative Reasoning Questions and Answers
Nigeria General Knowledge Questions and Answers
Data Interpretation Questions and Answers
See all →