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Approximately How Many Immigrants Entered the Western Hemisphere Between 1846

question 40

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Approximately how many immigrants entered the Western Hemisphere between 1846 and 1932?


Definitions:

Pheromones

Biologically produced odorants that convey information to other members of the species.

Smell-Based Communication

A form of communication that occurs through the detection and interpretation of olfactory signals, common among animals to convey information.

Sex Hormones

Sex hormones are chemicals produced by the body that regulate the development and functioning of reproductive organs and secondary sexual characteristics.

Scent

The particular smell of an object, substance, or area, often processed and recognized by the olfactory system.

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