Why Do Classification Systems Change Over Time? A. Scientists Find New Evidence In Their Studies. B. Scientists Use Old Methods Of Classification. C. Scientists Repeat Experiments And Find No Changes. D. Scientists Find Similar Evidence To Previous Work.

Mar 18, 2011"why" can be compared to an old latin form qui, an ablative form, meaning how. Today "why" is used as a question word to ask the reason or purpose of something. [grammatically incorrect unless the punctuation is changed.

There is a subtle but important difference between the use of that and which in a sentence,. Only have similar answers where the reason for something is the cause. Where does the use of “why”

However, i find it puzzling.