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Which of the following is a mechanism by which new susceptible individuals enter a population?
Kinetic Energy
The energy possessed by an object due to its motion, directly proportional to the mass of the object and the square of its velocity.
Lower Explosive Limit
The minimum concentration of a vapor in air below which propagation of flame does not occur on contact with a source of ignition.
Lower Explosion Level (LEL)
The lowest concentration of a gas or vapor in the air that will ignite and produce a flame.
Vapor Phase
The state of a substance when it is in gas form, especially when it coexists with its liquid or solid phase.
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