Examlex
The measure of acidity/alkalinity in soils is based on the relative concentration of active hydrogen ions.
Recommended Intake
The daily amount of nutrients suggested for optimal health, as determined by health organizations.
Nutrients
Essential substances that organisms must obtain from their diet to sustain life and achieve proper growth and bodily function.
Classes
Organized groups or sessions of instruction or education in various subjects or skills.
Macronutrients
Essential nutrients, including carbohydrates, fats, and proteins, required in large amounts for energy and support of bodily functions and growth.
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