Some fossils provide evidence to suggest that Earth's climate has changed over time. What information can scientists obtain from these fossils? temperatures number of species that existed movement of continents cause of mass extinctions

Functionalism was a school of psychology that focused attention on the

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

Why would someone who is studying the history or culture of this time. find this text interesting important or useful?