Intellectual Olympiad in Soil Science - 2026 ongoing

Subject: Soil Science
Level: VIII
Category: student
Quiz questions: in English
Example question: A soil has a volumetric water content of 0.28 m³ m⁻³ and a total porosity of 0.45 m³ m⁻³. What fraction of its pore space is air-filled? 17%, 38%, 62%, 73%