What sentence has an error? our friend jack's car is more expensive, but not as nice as our's is. b) margaret's message to the gathering of young people was unmistakable: be yourself. c) i had to admit that the opposition's plan for recycling was actually much better than ours. d) the ant colony, showing a surprising level of group intelligence, moved its hill to another location.

the choice that is not a technique that you should use to come up with ideas for the topic of a research project is, writing about academic subjects that are not interesting to you. this does not belong to the techniques to come up with ideas because having no interest in a certain topic will lose your drive to come up with better ideas. it gives no room for improvement and acquiring of new ideas and information. 

explanation:

the answer should be d) he was one of those young thousands who greeted the war with a certain amount of relief, welcoming the liberation from webs of tangled emotion" since it is the best option because it shows his desire to free himself.

hope this answer you! have a great day.