Based on your knowledge of energy conservation, which of the following statements is true?
a. manufacturers can increase a light bulb’s energy efficiency by using technology that decreases the amount of electromagnetic energy the bulb converts from a given amount of electrical energy.
b. energy can be conserved by turning off lights when they are not in use.
c. both a and b
d. neither a nor b

Parliament passed several acts to britain meet its war debts. determine whether the following descriptions apply to the stamp act or the sugar act- passed by parliament in 1764- passed by parliament in 1765- enforced payment of taxes on foreign molasses- taxed all types of printed materialsstamp act: sugar act:

The authuor says that in some town hall meeting several thousand citizens might attend and vote . what would you do to make sure a town hall meeting of that many people would run smmothly

Dr. laguardia is a cognitive neuroscientist who is interested in the effect of brain concussions on the ability to recognize faces. he conducts a quasi-experimental study in which he examines football players before and after the regular season using the benton facial recognition test (a published, widely used measure of one's ability to recognize faces) to compare those who received concussions to those who did not. he finds that players who had concussions during the regular season performed worse on the benton facial recognition test than did players who did not experience which of the following is true regarding external validity in dr.laguardia's study? a. because dr. laguardia selected participants who actually experienced concussions, the study b. because dr. laguardia's study is a quasi-experiment, it is impossible to obtain c. because dr. laguardia's dependent variable was assessed in the laboratory, the study d. because dr. laguardia selected a widely used measure, his study generalizes to has strong external validity. external validity has limited external validity. other applications of this measure.