writing questions

Test Preparation SAT Preparation
1

<p>Many scientists concerned about the danger of radioactive waste believe that nuclear reactors using fusion would be preferable over those using fission.</p>

<p>The answer key says that the answer is "preferable over"? Should it be "preferable to"?
When should either one be used? I've heard "prefer" used as "prefer X over Y" so I assumed that "preferable over" was proper.</p>

2

<p>Yeah I think so. “Preferable over” sounds…redundant, but I then again I have no idea what I am talking about.</p>

3

<p>Correct:</p>

<p>I prefer chicken to turkey.</p>