Prior to phytoremediation the concentration of Cd in the soil was: Prior to phytoremediation the concentration of Cd in the soil was:________.
a) 12 mg/kg soil.
b) 19 mg/kg soil.
c) 1,200 mg/kg soil.
d) 1,900 mg/kg soil.

Phytoremediation is a process of the bioremediation that uses different plants to transfer, remove or destroy the contaminants from the soil. Cd is one of the contaminants that are removed or destroyed by the process of the phytoremediation.19 mg/kg soil is the concentration was available in the soil prior to the phytoremedaition took place.

Thus, the correct answer is - option B.

Prior to phytoremediation the concentration of Cd in the soil was: Prior to phytoremediation the concentration of Cd in the soil was:________. a) 12 mg/kg soil. b) 19 mg/kg soil. c) 1,200 mg/kg soil. d) 1,900 mg/kg soil.

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Prior to phytoremediation the concentration of Cd in the soil was: Prior to phytoremediation the concentration of Cd in the soil was:________.
a) 12 mg/kg soil.
b) 19 mg/kg soil.
c) 1,200 mg/kg soil.
d) 1,900 mg/kg soil.