HELP Why might Region 4, the Coastal Plains, historically have been more densely
populated than Region 1, the Mountains and Basins?

because the coastal plains is flat land and the mountains are not. it is better and easier to live in plainest then rocky mountains. hope this helps :)

the correct answer is:

true

i am an online student and after i submit my quizzes, it gives me the correct answers to any that i may have missed. the answer to this question is true

charles lindbergh hope this