According to the Berner Classification for aqueous environments, which of the following definitions describes the Postoxic stage? O a. Dissolved Oxygen < 0.5% of Saturation and < 1mM of Sulfide Species O b. Dissolved Oxygen < 0.5% of Saturation and > 1mM of Sulfide Species Oc. Dissolved Oxygen < 0.5% of Saturation O d. Dissolved Oxygen > 0.5% of Saturation (~1 mM) Plants can assist in geochemical metal exploration, because: O a. they carry mineral grains to the surface O b. none of the other options O c. they produce gases that can be analysed between their roots O d. they transport dissolved metals to the surface through their roots

Basic Clinical Lab Competencies for Respiratory Care: An Integrated Approach
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Chapter9: Hemodynamic Monitoring
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According to the Berner Classification for aqueous environments, which of the following definitions
describes the Postoxic stage?
O a. Dissolved Oxygen < 0.5% of Saturation and < 1mM of Sulfide Species
O b. Dissolved Oxygen < 0.5% of Saturation and > 1mM of Sulfide Species
O c. Dissolved Oxygen < 0.5% of Saturation
O d. Dissolved Oxygen > 0.5% of Saturation (~1 mM)
Plants can assist in geochemical metal exploration, because:
O a. they carry mineral grains to the surface
O b. none of the other options
O c. they produce gases that can be analysed between their roots
O d. they transport dissolved metals to the surface through their roots
Transcribed Image Text:According to the Berner Classification for aqueous environments, which of the following definitions describes the Postoxic stage? O a. Dissolved Oxygen < 0.5% of Saturation and < 1mM of Sulfide Species O b. Dissolved Oxygen < 0.5% of Saturation and > 1mM of Sulfide Species O c. Dissolved Oxygen < 0.5% of Saturation O d. Dissolved Oxygen > 0.5% of Saturation (~1 mM) Plants can assist in geochemical metal exploration, because: O a. they carry mineral grains to the surface O b. none of the other options O c. they produce gases that can be analysed between their roots O d. they transport dissolved metals to the surface through their roots
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