Robin and roxanne are identical twins, but they were separated at birth and raised with different families. as adults, they decided to look each other up. robin is an extravert who smiles often and loves to be around people. based on the results of identical twin studies, roxanne probably will be an:

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

Central american countries are important agricultural producers. each year, the united states imports about five billion dollars’ worth of a. bananas b. cacao c. mangoes d. coffee

Did egypt invent wheels or sailboats