Based on the differences in the maps, what happened to the Gupta Empire after the death of Chandra Gupta I? Its territory grew dramatically.
Its territory decreased drastically.
Its territory spread only to the north.
Its territory did not expand across the region.

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