Examlex
Which of the following types of survivorship curves best describes humans living in the contemporary United States?
Compounds
Substances formed by the chemical combination of two or more elements in definite proportions.
Tertiary Amine
An amine in which the nitrogen atom is connected to three alkyl or aryl groups, often characterized by strong bases and found in various organic compounds.
Compound
A substance formed from two or more chemical elements that have bonded together.
Secondary Amine
An amine where the nitrogen atom is bonded to two alkyl or aryl groups and one hydrogen atom.
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