Skip to Main Content
Choose the option that best completes the underlined part of the sentence.

Internal combustion engines show an inherent tradeoff between power and fuel efficiency: if a car can race from zero to 60 mph faster, the less fuel efficient its engine is over the time.

Title

Internal combustion engines show

Your Result

Correct

Difficulty

Easy

Your Pace

0:04

Others' Pace

0:50

Submit Answer
Learn More
Question 1 of 1