A molecule is:
A) Composed of photons and protons.
B) Composed of protons and neutrinos.
C) The smallest parts of an atom.
D) The smallest part of a substance that is not an element.
D
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____ steels are fairly precise in size and have square corners.
A. Hot-tempered B. Hot-rolled C. Cold-tempered D. Cold-rolled
What devices are often attached to the regulators, the torch, or both?
a. Flashback arrestors b. Needle valves c. Cutting orifices d. Leak detectors
Technician A says that steering linkages with zerk fittings should be greased at least every six months. Technician B says that some steering linkage joints are sealed and do not require regular service. Which technician is correct?
A) Technician A only B) Technician B only C) Both technicians D) Neither technician
Which of the following is NOT one of the top five states for goat production?
A. Missouri B. Alabama C. Texas D. Colorado E. Wisconsin