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Question
Which of the following best describes the composition of soil?A) Soil is primarily mineral matter (approximately 72%), but also consists of organic matter (10%), and water (18%).
B) Soil consists of approximately 45% organic matter, 50% mineral matter, and 5% water and/or air.
C) Soil is composed of about 45% mineral matter, 5% organic matter, and 50% pore space containing air and water.
D) Soil includes pebbles, gravel, cobbles, and a varying combination of sands, silts, and clays.
Answer
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Related questions
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