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Technician A says that the OBD system on a diesel is continuously judging all major emissions systems for faults. Technician B says that some emissions monitors do not run every drive cycle and take time to correctly judge emissions system operation. Who is correct?
Orbitals
Regions within an atom where electrons are most likely to be found, describing the probable location of electrons around a nucleus.
Protons
Subatomic particles with a positive charge located within an atom's nucleus.
Reactive
Pertains to substances or materials that readily undergo chemical reactions, typically involving a significant response to other chemicals or stimuli.
Atomic Number
Number of protons in the atomic nucleus; determines the element.
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