The text states that tires on ordinary cars use the regular air that we breathe, but race car tires use pure nitrogen. Which two reasons explain why? A The tire holds its pressure longer with nitrogen. B Pit crews have to ...

A metaphor is a figure of speech that makes a direct comparison between two things. Choose the sentence in this paragraph that shows an example of metaphor. The heart of a race car is its engine. If the engine isn’t working ...

Based on this paragraph, the main difference between the seat belts in a regular car and those in a race car is A the number and placement of straps. B the shape of the car’s interior. C the setup of the ...

Based on this paragraph, the main difference between the seat belts in a regular car and those in a race car is A the number and placement of straps. B the shape of the car’s interior. C the setup of the driver’s seat. D ...

The text states that, in a normal car, a lot of work goes into making the engine work quietly and last a long time. However for a race car’s engine, the focus is on A) keeping the engine fuel efficient. B) ...

What is the central idea of this text? A) Engineering and math are necessary for the design and safety of race cars. B) NASCAR engines are built out of lightweight materials that are still incredibly strong. C) Much of the ...