Causes of urban sprawl include all of the following EXCEPT Question 5 options:

high gas prices

population growth

younger families seeking affordable housing

white flight from urban centers

the answer is b. 300t + 3/2xt

i believe the answer is d. it was not uncommon for people to faint or even convulse at these high-energy meetings.

answer; /// i believe that the correct answer is (d)the huang he river valley;