The sociological perspective emphasizes how the social context influences people's lives, particularly how people are influenced by a. random chance events b. geographical location c. society d. inherited genetic structure

What greek scientist created a screw to move water for irrigation?

Music the height of a wave or the amount of the wave carries is the amplitude. a.air b.nodes c.speed d.energy

Pj conducts an experimental study on the effects of soft music during high stakes science testing. he randomly assigns students at the school. in one condition he does not provide music for testing while in the other group he does provide the music. he administers a pretest at the beginning of the year and a posttest at the end of the year. pj’s design is best described as a: a.static group comparisonb. pretest-posttest control group designc.control-group-time-series designd. nonrandomized control-group pretest-posttest design