Plants Are Sometimes Used for Phytoremediation in Areas Where the Soil

question 55

Multiple Choice

Plants are sometimes used for phytoremediation in areas where the soil has been contaminated with heavy metals. Suppose the Acme Remediation Company is proposing to remediate a contaminated area that you wish to restore. Acme presents you with the following data as evidence of their company's ability to remediate soil.

-What likely caused the loss of metals in the control soil?

• A) being washed away by water draining through the soil
• B) evaporation of the metal molecules into the air
• C) absorption of the metal molecules by clay particles
• D) buildup of humus

---

Definitions:

Ultimate Concern

Ultimate concern refers to a concept in existential philosophy and theology that describes the most significant or profound object of a person's care or commitment, often guiding life's purpose or direction.

Combat

Engaging in fighting or warfare, often referring to military operations or actions in a conflict zone.

Interpersonal World

The complex network of relationships and social interactions an individual navigates throughout their life.

Mitwelt

Pertains to the social dimension or relationships with others in the world, highlighting the significance of interpersonal interactions in existential analysis.