Professor smith was interested in reporting the reality of the experiences of teenage runaways living on the streets in their own terms so he observed their life on streets and talked with them about their challenges and survival strategies. professor smith is probably most interested in:

Ethnography

Explanation:

Professor Smith's report had to do with describing the customs, mutual differences and habits of the teenage runaways and these attributes have to do with ethnography. Ethnography has to do with methods which describe qualities that are employed in the social science of dealing with the observation of social interactions and practices. It's ethical as it allows the researcher to observe without applying any deductive framework while allowing the cases to be seen as peculiar.

they produces sugar..

hope this , question was a little open ended