Technician a says that ac system lines and hoses that are cold have lower refrigerant pressure than warmer lines and hoses. technician b says that frost on a system component usually indicates a refrigerant leak in that area. who is correct?

The flashing of directional signals as it indicates that used it safe to bed

What is tge speed of sound in dry air at 0°c

Among the following environmental factors, which does not have a long-term impact on the composition of a region's soil? a. kinds of crops grown b. types of fungi present c. topography of the landscape d. variety of species of mammals e. number of freezes occurring annually