I thank you for your answers although when refering to the waves, I allready thaught about the possibilties you offered and rejected them. To my understanding- the words 'most common' suggests the idea that there are more than 4 species and the words 'the 4 clean waves' suggests that there are 4 only four kinds. Maybe the person who gave me the assignment was wrong in choosing the terms so I guess I would have to ask him.
about the content, that was a big help for me thanks a lot. I was looking for audio content and didnt find anything- i dont think I could think about looking under a name like spectral content by myself. so, again thank you.
Im sorry if I was a pain in the ass I wont bother you any more with my questions.
again, thank you very much
shula
about the content, that was a big help for me thanks a lot. I was looking for audio content and didnt find anything- i dont think I could think about looking under a name like spectral content by myself. so, again thank you.
Im sorry if I was a pain in the ass I wont bother you any more with my questions.
again, thank you very much
shula