Why was the Second Continental Congress significant? They declared war on Great Britain following the battles of Lexington and Concord. They set up a Committee of Safety in every colony.

They sent a Declaration of Rights and Grievances to King George III. They appointed George Washington as commander of the Continental army.

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