Examlex
Which of the following elements is the most common limiting factor to plants in naturally occurring soil?
Blood pH
A measure of the acidity or alkalinity of the blood, crucial for the body's proper functioning.
Carbon Dioxide
A colorless, odorless gas produced by burning carbon and organic compounds and by respiration. It is absorbed by plants in photosynthesis.
Surface Tension
The elastic tendency of a fluid surface which makes it acquire the least surface area possible, due to intermolecular forces.
Adhesive Forces
Attractive forces between unlike substances, such as water molecules adhering to glass surfaces.
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