There's a whole lot of information missing here!
#1 Incomplete
#2 Seems to be a sentence, but what's the question?
#3 This is quite broad. You'll probably need to depend on your text to address it. Research where? Online? In encyclopedias? In periodicals? Where?
1 the four keys steps to recording an idea are searching , finding, collecting and
2you only need to refine a search if you don't get enough results
3how can a student tell if a piece of research is current
2 answers
1. writing
2. maybe
3. Look for a date.
2. maybe
3. Look for a date.