According to the article, which of the following would be included as part of the Aztec's complex irrigation and waterway systems? A..Crop rotation results in the growth of less food so that when attacked by enemies, they cannot take food as a prize of war.

B... Crops are rotated so that the people do not have to eat the same thing every day of the year.

C... Crop rotation involves different groups of people working crops each year. That way, different groups can experiment with their own methods to see which is the best.

D...Crops are rotated because different crops use different nutrients in the soil. By rotating crops, you don't destroy the soil and crops can continually be planted.

Which term refers to a group or community that forms the focal point of a study and consists of all the people considered for evaluation in the research? a. sample b. population c. variable d. mean

Attitudes toward homeless people. negative attitudes toward poor people are negative when a person is homeless? to find out, a common. are attitudes more description of a poor person is read to subjects. there are two versions of this description. one begins jim is a 30-year-old single man he is currently living in a small single-room apartment the other description begins jim is a 30-year-old single man. he is currently homeless and lives in a shelter for homeless people. otherwise, the descriptions are the same. after reading the description, you ask subjects what they believe about jim and what they think should be done to 26 him. the subjects are 544 adults interviewed by telephone. outline the design of this experiment.

What is a common factor all nonprofit businesses share? they pay no income tax.they have no capital.they are national in scope.they perform charitable acts.