Question

small cars make big jumps in safety
physical science studies: relationships of force and motion
small cars are now better equipped to protect motorists in serious crashes.
small cars are becoming more popular. their sales increased by 6 percent in 2021. this was mostly due to fluctuations in gas prices. the rise in small car sales outpaced the growth of the car market overall.
its not only sales of small cars that have improved. their safety ratings have gone up as well. the insurance institute for highway safety (iihs) tests the \crashworthiness\ of vehicles. iihs tested 34 models of 2022 small cars. the vehicles were tested in a wide variety of crash categories. the cars received ratings based on a four - level scale. the highest level on the scale is \good.\ the lowest rating is \poor.\
to qualify as a \top safety pick,\ the car must earn \good\ ratings in all categories. it must also earn \advanced\ or \superior\ in front crash prevention. a ranking of \top safety pick+\ can also be earned. its given only if high quality headlights are standard for all of the vehicles of that model.
more than half of the 34 vehicles tested received a \top safety pick\ award. the highest rated cars were the honda civic, honda insight, and mazda3. several others earned the top safety pick or pick+ award. these included five subaru models, two toyota models, and two volkswagen models. one model each from hyundai, kia, and
question 6
which of these sentences states the main idea of the article?
a. smaller, lighter cars provide less crash protection than larger, heavier cars.
b. the safety ratings for small cars have improved from previous years.
c. new car buyers used to pay extra for air bags that are now on most cars.
d. twenty - four small vehicles earned top scores in side - crash protection.

Explanation:

The article's title "Small Cars Make Big Jumps in Safety" and the content about small - car safety ratings going up (e.g., more than half of tested 34 models getting "Top Safety Pick" awards) support the main idea. Option B directly states that small - car safety ratings have improved from previous years, which aligns with the overall theme of the article. Option A is contrary to the article's message as it claims small cars have less protection. Option C is about air - bag availability (a detail, not the main idea). Option D is about a specific test result (a detail).

Answer:

B. The safety ratings for small cars have improved from previous years.