Which Criteria Allow Biologists to Divide Chemicals into Macronutrients and Micronutrients

question 10

Multiple Choice

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

• A) molecular weight of the element or compound
• B) the quantities of each required by plants
• C) how they are used in metabolism
• D) whether or not they are essential for plant growth

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