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Questions and Answers
Cation exchange capacity involves the replacement of hydrogen ions by calcium ions in soil.
Cation exchange capacity involves the replacement of hydrogen ions by calcium ions in soil.
True (A)
The soil particles with the greatest level of cation exchange are sand and silt.
The soil particles with the greatest level of cation exchange are sand and silt.
False (B)
Soil pH measures the amount of hydroxide ions in a solution.
Soil pH measures the amount of hydroxide ions in a solution.
False (B)
Soil biomass refers to the total amount of non-living material in a habitat.
Soil biomass refers to the total amount of non-living material in a habitat.
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Humification is the process by which humus is converted into soil organic matter.
Humification is the process by which humus is converted into soil organic matter.
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Fungi play a role in converting soil organic matter into humus.
Fungi play a role in converting soil organic matter into humus.
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Plants remove carbon from the environment through respiration.
Plants remove carbon from the environment through respiration.
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Nitrogen fixation is the process where nitrogen gas is converted into nitrates.
Nitrogen fixation is the process where nitrogen gas is converted into nitrates.
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Clover plants have tiny nodules in their leaves where they convert nitrates into nitrogen gas.
Clover plants have tiny nodules in their leaves where they convert nitrates into nitrogen gas.
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