Positive correlation of two variable that change over time example?

You can say such as, a dear losing it's horn over time when fighting or such. By, ElmUK44

[This is a brief statement on the fundamental nature of the statistic "correlation", and a caution against misinterpretations.] For pre-pubescent children, these three will probably correlate: age,...

Hight/weight of children until they stop growing

theory of evolution, theory of natural selection, as stated by Darwin.

Motion.