Examlex
Which of the following terms is usually confused with but is not directly descriptive of soil moisture?
K
The symbol for potassium, a chemical element with atomic number 19, essential for plant growth and functioning of the nervous system in animals.
pH
A measurement system that determines whether an aqueous solution is acidic or basic, scaling from 0 (highly acidic) to 14 (highly basic).
K
Potassium, a chemical element with symbol K, essential for living organisms and used in numerous industrial processes.
[HCO3-]
The chemical notation for bicarbonate, an anion that acts as a buffer in maintaining acid-base balance in biological systems.
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