This was based on the change in air quality between the 1996 Base Year and each future year scenario.
The air quality changed after the Base Year.
The Base Year for tracking air quality was 1998.
I know it is so no matter who or what they are.
countries that are being developed
The bus is moving.
Ireland sent its scholars all over Asia.
The girl is stretching to give the woman the racket.
The dog is asleep on the couch.