Answer:
mass-market books
Explanation:
It was easier to write a book and publish it plus none of those other options where around
Answer:
Today, there are planes, automobiles, subways, etc. Technology and science has had the biggest influence on transportation. Engineers and physicists have made it possible to take 150 people and fly them across the ocean. Automobile designers continue to find greener ways to build cars that will emit less pollution.
Explanation: