Asphixiation is a hazard posed by compressed natural gas (cng) vehicles and can be detected when you notice this smell
a) rotten eggs
b)cinnamon
c)burning
d)spoiled milk

What is the chief metrological difference between measuring with a microscope and with an electronic comparator? a. the microscope is limited to small workpieces.a. the microscope is limited to small workpieces. c. the comparator can only examine one point on the workpiece. d. the microscope carries its own standard.