Examlex
Of what is the Galactic halo presumed to be composed? What evidence supports thisconclusion?
Adhesion
The process by which two surfaces are held together by intermolecular forces or mechanical interlocking.
Cohesion
The force that holds molecules of the same substance together, such as water molecules in a drop.
pH
A scale used to specify the acidity or alkalinity of an aqueous solution, with values ranging from 0 (very acidic) to 14 (very basic).
Capillary Action
Capillary action is the ability of a liquid to flow through narrow spaces without the assistance of, or even in opposition to, external forces like gravity, observed in phenomena such as water moving up a plant stem.
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