Technician a says that the presence of oil around a fitting of an air-conditioning line may indicate an oil leak but not a refrigerant leak. technician b says that using an electronic leak detector is the best way to find the source of a refrigerant leak. who is correct

Nps pollution is caused by rainfall or snowmelt moving over and through the ground. nonpoint source pollution can include: excess fertilizers, herbicides and insecticides from agricultural lands and residential areas. oil, grease and toxic chemicals from urban runoff and energy production

The answer is 12, for the points

250✖️100 to get you answer

I'd go for the one that says that knees are fulcrums, lower legs are levers and the ankles hold loads.hope it ,happy homework/ study/ exam!