As soon as possible : -) what is an example of how the use of resources has changed? a. people are recycling less. b. car companies have developed hybrid cars c. coal is used to make electricity. d. cars still largely rely on oil.

I believe it is B. Cars used to be in factories and assembly lines, which work too long sometimes. As companies expanded and the technological age advanced, more and more cars were being made. Along with some cars that became experiments first, then a reality.