Control of tropospheric ozone

Tropospheric ozone is a _____ pollutant so levels can be controlled by reducing levels of the primary pollutants that produce it

Secondary

Tropospheric ozone is a secondary pollutant so levels can be controlled by _____ levels of the primary pollutants that produce it

Reducing

Tropospheric ozone is a secondary pollutant so levels can be controlled by reducing levels of the _____ pollutants that produce it

Primary

_____ _____ is produced by ICEs, power stations, and other high temperature combustion involving air

Nitrogen dioxide

Nitrogen dioxide is produced by _____, power stations, and other high temperature combustion involving air

ICEs

Nitrogen dioxide is produced by ICEs, _____ _____, and other high temperature combustion involving air

Power stations

Nitrogen dioxide is produced by ICEs, power stations, and other _____ temperature combustion involving air

High

Nitrogen dioxide is produced by ICEs, power stations, and other high temperature _____ involving air

Combustion