which is indicated" vs. "is indicated
The question is about the use of:
- which is indicated
and
- is indicated
Examples:
- Visible need in this area, which is indicated by the number of articles and books on the subject.
1a. Visible need in this area, which is indicated by the number of articles and books on the subject, like those written by Hillary Dane, describing the use of high speed particles.
- Visible need in this area is indicated by the number of articles and books on the subject.
Do you see the difference and what the difference is in your opinion between these two sentences?
Are these sentences properly formulated? What would the proper sentence look like when "which is" in use?
Solution 1:
(2) is a simple statement.
In (1), the part after the comma is a subordinate clause describing need. It isn't a complete sentence unless you go on to say something more about the 'visible need'.
Compare: My friend John, whom I have known since childhood,...