Biology, 02.08.2019 09:20 sbhishop19
Study 2: a study published in the journal of the american medical association (volkow et. al., 2011), indicates that cell phone use speeds up activity in the brain. as part of a randomized crossover study, 47 participants were fitted with a cell phone device on each ear and then underwent two positron emission topography, or pet, scans to measure a specific type of brain activity. during on scan, the cell phones were both turned off. during the other scan, an automated 50-minute muted call was made ot the phone on the right ear. the order of when the call was received (for the first or second scan) was randomized. comparison of the pet scans showed a significant increase in activity in the part of the brain closest to the antenna during the transmission of the automated call. for each study identify the response variable and explanatory variable.
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Biology, 22.06.2019 03:00, mhaniyahn
What is true of all organisms in the kingdoms protista, plantae, fungi, and animalia? a. they are multi-celled. b. they are photosynthetic. c. they have cells that contain membrane-bound organelles. d. they contain cells that lack membrane-bound organelles.
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Biology, 22.06.2019 10:40, karlyisaunicorn
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Biology, 22.06.2019 14:00, SupremeNerdx
Which test would show positive results for orange juice
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Study 2: a study published in the journal of the american medical association (volkow et. al., 2011...
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