Which of the following statements best explains how the increased popularity of the automobile encouraged the growth of suburbs?
a.
people with automobiles needed garages.
b.
workers were able to live farther from their jobs.
c.
there was no room to keep automobiles in large cities.
d.
people could afford larger houses because mass-produced automobiles were cheap.

Which of the following is not a challenge to instituting sound global environmental policies? a. most changes are inexpensive and easy to implement. b. elected leaders who support unpopular environmental issues often are not re-elected. c. economic considerations outweigh environmental ones in many societies. d. there is no way to enforce international environmental agreements.

The primary agent of contact metamorphism is

What are the similarities and differences in the way geologists and biologists approximate the age of the earth? justify your response in two or more complete sentences.