Most of the time one or the other feels better, but every so often, "which" vs. "what" trips me up. So, what's the exact difference and when should you use one or the other?
Much of (what/which) scientists know about dinosaurs has been recently discovered. The phenomenon of (what/which) are known as corporate networks has also attracted attention. And yes, the ...
Possible Duplicate: "Which" vs "what" - what's the difference and when should you use one or the other? Q: What's the rule-of-thumb on "for which" vs. "for what" ...
Which is your most favourite subject in school ? What is your most favourite subject in school ? Which one is acceptable? If both are acceptable, do they have any difference in meaning?
If we want to know the exact kind of a group of brids, should we say: A: "What is the kind of these birds?" or B: "What kind of birds are these birds"? If the questions above are phrased ...
I have the following sentence: Adding new information may change the database, what provides people with some practical solutions. What I’d like to say is that what provides people with ...