Signals are words or phrases that you understand what you are reading.

Today, the a. caesar b. bishop c. pope d. tsar still heads the roman catholic church, which is centered on rome. there is no longer a byzantine emperor, but each country has its own a. governor b. patriarch c. prefect d. council to lead the eastern orthodox church there.

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.

The us economy received all of the following benefits as a result of technological advancements during industrialization except a. increased production b. reduced costs of consumer goods c. increased farm employment d. the invention of new products