What factors allowed each of the 4 colonial regions to grow and prosper? - 5 paragraphs

Why are low-lying lands more suitable for agriculture than hilly areas?

In which type of economy are these decisions made by the producers , consumers, and the goverment?

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