Kendra is researching the effects of vitamin c on test-taking ability. before the exam, kendra gives group a orange juice, and group b water. vitamin c is the
a. experimental group. b. dependent variable. c. control group. d. independent variable.

Lester zygmanik was charged with murdering his brother, george after george was severely injured in a motorcycle accident. george did not want to live his life as a quadriplegic and asked lester to kill him; lester did as his brother asked. if you were a juror in this case and you were making decisions based on black letter law, you would decide that lester is

Economic growth in the united states does not affect the economies of other countries. select the best answer from the choices provided t f

Before they can be published, scientific papers must be peer-reviewed. this means that: a) some other scientific experts read the papers and guarantee that they are true.b) some other scientific experts read the papers and provide quality control by eliminating many mistakes.c) an editor reads the papers, to make sure that all the semicolons are in the correct places.d) everyone in the world is given the opportunity to comment on the papers through a specially maintainedblog.e) government bureaucrats read the papers, to be sure that the papers do not insult the political positions ofthe current officeholders.