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The soils of the world contain more carbon than all the world's vegetation and the entire atmosphere,combined.
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Q7: Most,if not all,of the nutrient supply stored
Q11: The director of nursing (DON)has planned a
Q12: The presence of rocks such as shale
Q20: Which of the following describes a soil
Q29: If the CO<sub>2</sub> content of soil air
Q32: To be effective a geo positioning system
Q38: The most active decomposers of freshly added
Q38: In one field trial comparing no-till and
Q39: Which of the following is not true
Q40: Soils with thick horizons consisting mainly (>