How were aztec chinampas constructed?
a. raised plots for crops were built on dry land with irrigation channels between them
b. raised plots for crops were built from mud in the lake bed with canals between them
c. raised plots for crops were built on dry land with canals between them
d. raised plots for crops were built from depositing dry earth into the river bed with canals between them

How did the technology of the late 1800s affect the growth of cities? select one: a. cities were able to expand outward because of additions to railroads. b. electric streetcars enabled the wealthy city dwellers to move to the first suburbs. c. advances in steel and metal technology allowed for the development of the skyscraper, which allowed cities to grow upwards. d. all of these are correct.

Two of these describe "federalism." (choose two answers) select one or more: a. the national government absolutely controls all state governments. b. power is shared by the national and state governments. c. state governments exercise absolute power over the national government. d. it is a compromise meant to eliminate the disadvantages of a "unitary" and a "confederate" system.

Final nal exam questions 28. a drug addiction will make more important to you. a. maintaining friendships b. personal hygiene c. having a source of income d. mental health