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- Grade 12 Earth & Space Science
  - Geology
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  - Soil Science
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- Grade 12 Astronomy
  - Galaxies
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    - Kepler Laws 1
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12th Grade Nutrient Cycles Quizzes , Questions & Answers

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Nitrogen Fixation Quiz: Trivia Questions!

Do you know anything about nitrogen fixation? It is a procedure by which molecular nitrogen in the air is converted into ammonia or related nitrogenous soil compounds. Nitrogen fixation is crucial to life because fixed inorganic...

Questions: 15 | Attempts: 323 | Last updated: Mar 20, 2025

Sample Question
N and P are nutrients substances required by the microorganism to survive. N is a limiting factor and depletion due to?

Microbial denitification, soil erosion and chemical volatilization

Chemical volatilization and Chemical development

Soil erosion and suspension

Microbial denitrification and microbial nitrification

12th Grade Nutrient Cycles Quizzes , Questions & Answers

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