All Dose-Response Functions for Environmental Hazards Have Known Thresholds

question 1

True/False

All dose-response functions for environmental hazards have known thresholds.

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Definitions:

Particular Trait

A distinguishing characteristic or quality, especially of one's personal nature.

Hearing Impairment

A partial or total inability to hear sounds in one or both ears.

Down Syndrome

A genetic disorder caused by the presence of all or part of a third copy of chromosome 21, characterized by physical growth delays, characteristic facial features, and mild to moderate intellectual disability.