How did the assembly line affect the automobile industry? a. Mass production of cars was no longer possible
b. Factories became safer for workers
c. The quality of cars improved and prices rose
d. Cars became more affordable to people

Which examples are relevant sources for students to use in research? check all that apply. a journal entry written by a professor who is considered an expert a report written by an independent government source a presentation by a company that includes paid information a document published by a renowned organization a scientific paper put out by a non-profit organization a blog whose author tries to sell a product or service