1) which of the following is a negative effect of urban sprawl? a. more traffic congestion b. less rural, green space around cities c. longer commutes for individuals d. all of the above 2) which of the following is a category of urban residents? a. ethnic villagers b. unmarried and childless people c. the trapped d. all of the above 3. in north america, how many people live in urban areas? a. 1 out of 4 b. 2 out of 4 c. 3 out of 4 d. 4 out of 4