1. Your science teacher asks you to write a brief report about a new plece of technology used in automobiles, Which question would work best as a research question for this report?

O Are LED lights easier to see in than the light bulbs previously used in headlights?

O What is a diesel engine, and what types of vehicles have this kind of engine?

O How do seat belts work, and when did the government begin to require them in cars?

O Why do many older cars have a manual transmission instead of automatic?