All Essential Macro- and Microelements Exist as Part of Organic

question 14

Multiple Choice

All essential macro- and microelements exist as part of organic molecules in the plant except

• A) potassium.
• B) phosphorus.
• C) nitrogen.
• D) hydrogen.
• E) carbon.

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Adjusting the size of an image while maintaining its aspect ratio.

Sizing Handles

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