New credit or inquiries from creditors show on your Experian credit report for two years, but only the last year impacts your FICO Score. Sometime opening several credit accounts in a short period of time represents a greater risk to lenders-especially if there isn't also an established credit history on record.
PCBs are mainly broken down either by the effect (direct or indirect) of sunlight or by microorganisms. In general, the persistence of PCB congeners increases with the number of chlorine atoms. Sunlight can play a role in the breakdown of PCBs present in air, water and surface soil. In the atmosphere, PCBs that are present in the atmosphere tend to react with ozone and water under the effect of sunlight.
Yes, chlorofluorocarbons are the main reason that ozone is depleted. CFC is broken down by the sunlight. Then it goes and breaks down the ozone molecules which become some forâ¦m of oxygen. Then the CFC is recycled and it does it all again. thus large holes in the ozone layer are created.