Question

Which of the following scenarios would the National Highway Traffic Safety Administration be involved in?
investigating the use of a faulty gearbox in a semitrailer
determining the number of cars sold in the country in a year
building railways within city limits
modifying the fuel efficiency standards for new cars
setting the emission standards of an automotive factory

Answer 1

The National Highway Traffic Safety Administration be involved in determining the number of cars sold in the country in a year.

What is Traffic?

In Simple terms, Traffic can be defined as the flow if Vehicle(Especaily) to and fro a particular axis or road. When there is a large amount of vehicle moving through a small passage, we say traffic is high.

Too much vehicle plying on a road can lead to traffic congestion.

Learn more about traffic here:

https://brainly.com/question/1071840

Answer 2

Answer:

See image

Explanation:

See image