Researchers Discover That a Species of Maple Tree Cannot Survive

question 12

Multiple Choice

Researchers discover that a species of maple tree cannot survive and complete its life cycle without tiny amounts of cadmium.For this tree,cadmium is a(n)

• A) macromolecule.
• B) macronutrient.
• C) essential element.
• D) amino acid.
• E) essential micronutrient.

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Definitions:

Play Stage

A phase in child development theorized by George Herbert Mead where children begin to take on roles of significant others, practicing and experimenting through play.

Roles

The expected behaviors, duties, and activities assigned to an individual based on their status or position in a social unit or structure.

Proficient

Describes having a high degree of competence or skill in a particular activity or field, often as a result of practice and learning.

Multiple Roles

Refers to the various roles an individual may play simultaneously in society, such as being a parent, employee, and student.