What Scent Keeps Horseflies Away? Horseflies are painful pests that feed on the blood of all mammals, including humans. The flies trace and find their prey by targeting the prey's appearance, movement and smell. Most fly control methods target the horsefly's olfactory senses.
CFCs. Chlorofluorocarbon (CFC) is an organic compound that contains carbon, chlorine, and fluorine, produced as a volatile derivative of methane and ethane. A common subclass is the hydrochlorofluorocarbons (HCFCs), which contain hydrogen, as well.
chlorofluorocarbon. n. 1. (Chemistry) chem any of various gaseous compounds of carbon, hydrogen, chlorine, and fluorine, used as refrigerants, aerosol propellants, solvents, and in foam: some cause a breakdown of ozone in the earth's atmosphere.Abbreviation: CFC.CFC, hydrochlorofluorocarbon-a fluorocarbon that is replacing chlorofluorocarbon as a refrigerant and propellant in aerosol cans; considered to be somewhat less destructive to the atmosphere. pollutant-waste matter that contaminates the water or air or soil.