Substances that produce changes in perception, emotion, thinking, or behavior are called drugs.

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.

During the period from 1865 to 1898 how did the political/economic elite contain the demands of farmers and laborers for economic justice

Base your answer for this question on the statement below and on your knowledge of social studies.my fellow citizens, events in iraq have now reached the final days of decision. for more than a decade, the united states and other nations have pursued patient and honorable efforts to disarm the iraqi regime without war. that regime pledged to reveal and destroy all its weapons of mass destruction as a condition for ending the persian gulf war in 1991.…— president george w. bush, march 17, 200344 which action did president george w. bush take following this statement?