Examlex
Which of the following is NOT a focus of the study of economics?
Cohesion
The force that holds molecules of the same substance together (e.g., water molecules to each other).
Dehydration Synthesis
A chemical reaction that binds molecules together with the loss of a water molecule.
Hydrogen Bond
A weak bond between two molecules resulting from an electrostatic attraction between a proton in one molecule and an electronegative atom in the other.
Polar Covalent
A type of chemical bond where two atoms share a pair of electrons unequally, resulting in a molecule with electrically charged poles.
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