Which of the Following Best Describes the Composition of Soil

question 47

Multiple Choice

Which of the following best describes the composition of soil?

• A)Soil is composed of about 45% mineral matter,5% organic matter,and 50% pore space containing air and water.
• B)Soil consists of approximately 45% organic matter,50% mineral matter,and 5% water and/or air.
• C)Soil is primarily mineral matter (approximately 72%),but also consists of organic matter (10%),and water (18%).
• D)Soil includes pebbles,gravel,cobbles,and a varying combination of sands,silts,and clays.

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