Alcohol and Drugs and the effects on decomposition Of th human body

What is decomposition (forensic science definition) The process of decomposition in detail and what happens to the body (the 5 stages) . What can speed decomposition up What can slow decomposition down What alcohol consumption does to a human body when decomposing. What drug consumption does to a human body when decomposing with 2 specific drug examples and how they effect the decomposition. The difference b/w a body that decomposes with no alcohol or drugs in the system versus a body that has alcohol and drugs in their body.