when fog and smoke combined it forms smog
Smog
when you cannot see because of smoke or fog, it is manditory that you pull over, call someone ASAP, and wait till help arrives.
Smoke. Fog. A shadow. The sun, moon and stars. A rainbow.
Smog -- smoke and fog
smoke / fog = sm-og = smog
smoke and fog
it can be called 'fog'
When smoke is merged with fog, it is known as smog.
The word "smog" is a portmanteau of smoke and fog.
smoke,fog
smoke and fog = smog.
Smog, is the scientific word, for the combination of smoke and fog.
Toxic emissions, or in other word, smog. A mixture of smoke and fog
Smoke is carbon particles. Fog is water vapor. Smoke forms soot. Fog forms dew. Smoke is dry. Fog is wet.
smoke and fog = smog.
smoke and fog