Which of the following describes korea’s relationship with china?
a. korea was incorporated into the chinese empire for over a thousand years.
b. korean male elites developed their own alphabet as a way to resist chinese cultural influence.
c. its capital city of kumsong was modeled directly on the chinese capital of chang’an.
d. korea was able to avoid participating in china’s tribute system.

Why should historians question edward ennis? a. they should not. ennis told the truth. b. ennis alerted his superiors to the existence of secret evidence but, when they ignored it, ennis did not make the evidence public. he remained silent. c. ennis made up his secret evidence d. none of the above

Dr. redbull conducts a study to determine whether her new energy drink children perform better on spelling tests. she randomly assigns children to one of two groups: group 1 receives her energy drink and group 2 receives water. she then gives both groups a spelling test and compares the results. which of the following is true about this study? a. group 1 is the dependent variable and group 2 is the independent variable. b. this is a correlational study. c. group 2 is the experimental group. d. the independent variable is the type of drink the children receive.

Recently, there has been pressure to loosen clean air standards. use economic arguments to support or oppose this proposed action.