It is not common but yes an ab parent can have an O child
It was A. I also do pacyber!
Transcription is the first part of protein synthesis and translation is the second part. The process you are looking for is translation.
The answer is smoke in air because air cannot be separated by filtration. Distillation deals with the conversion from gas to liquid. I believe that will work with smoke and air. Hope I helped. Goodluck