Which Criteria Allow Biologists to Divide Chemicals into Macronutrients and Micronutrients

question 13

Multiple Choice

Which criteria allow biologists to divide chemicals into macronutrients and micronutrients?

• A) whether or not they are essential for plant growth
• B) their availability in the soil
• C) the way they are used by plants
• D) the amounts in which plants need them
• E) all of the above

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Definitions:

Platysma

A muscle in the neck region that plays a role in facial expression, such as lowering the lower jaw and lip.

Mandible

The lower jawbone in humans and some animals, which holds the lower teeth in place and plays a key role in biting and chewing.

Levator Anguli Oris

A facial muscle that elevates the angle of the mouth, contributing to expressions such as smiling.

Normal Populations

Populations in which the distribution of data points follows a normal (bell-shaped) distribution curve.