IGCSE O Level Biology MCQs – Practice Test for Exam Prep
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Free "Decomposers in Nature MCQ" App Download: After decomposition of household sewage, the dried substance results in; MCQ with answers: sludge, fertilizer, and land fill. Practice Decomposers in Nature Quiz Questions, download Google e-Book (Free Chapter) to excel in biology education.
MCQ 1: After decomposition of household sewage, the dried substance results in:
MCQ 2: Before discharging decomposed sewage into rivers and seas, the:
MCQ 3: Inorganic gases released during decomposition includes:
MCQ 4: Inorganic salts released during decomposition include:
MCQ 5: Biogas includes none ,but:
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