WILL GIVE BRAINLIEST TO PERSON WHO ANSWERS CORRECTLY!!!!!!

Which pair of variables is the most likely to have both correlation and causation?

* the height of a person and the amount of work he does
* the number of hours spent exercising and the number of calories burned
* the length of a person's commute and the amount of money he earns
* the number of customers at a restaurant and the variety of soups ordered