Reduced erosion was one of the positive consequences of A. Maya step farming.
B. Inca road building.
C. Olmec temple building.
D. Aztec irrigation systems.

Which situation is an example of a citizen participating in a politicial process

U.s. history 1.documentary analysis what steps did taylor’s family take to prepare her freedom

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