Signs and Symptoms of Substance Abuse. From the American Council for Drug Education, an affiliate of Phoenix House. The following are some of the more common signs and symptoms of drug use. It is important to keep in mind that if a person has any of these symptoms, it does not necessarily mean that he or she is using drugs. They could be due to a mental or physical health problem.
The main difference between data and information is that data is raw material that is to be processed and information is the processed data. Comparison Chart Basis of Distinction
The difference between observation and data is that observation is whatever you noticed happening such as, something dissolved or changed form or melted. Data is what ever measurements you made or took. Data is the actual information but observation is what you are seeing not whats actually involved. This question is archived.