Examlex
If individuals tend to mate within a subset of the population, there is ________.
Compound
Molecule that has atoms of more than one element.
Molecule
The smallest unit of a chemical compound that can exist; composed of two or more atoms bonded together.
Orbital Space
The region of space around the Earth where artificial satellites and spacecrafts orbit, influenced by Earth's gravity.
Energy Level
A specific quantized state of energy that an electron in an atom can have.
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