Compare  and contrast causation and correlation in a 200- to 300-word post.  Explain whether each of the following may be classified as a causation  or correlation. Justify your reasoning. Identify any possible lurking  variables that may be present.
- Wealthy people are thin.
 
- People with long hair do better on audio memory tests.
 
- Ice cream melts when heated.
 
- Students with fewer clothes perform worse on standardized tests.
 
- Money is the root of all evil. In other words, money causes evil.