Vanessa wants to tell her mother about something funny her teacher said, but she can see that her mother is really focused on driving in heavy traffic. vanessa is showing her ability for by choosing to not interrupt her mother's concentration.

Match these milestones in communication history with their correct dates. 1. telegraph 2. telephone 3. radio 4. computer 5. television 6. computer networking 7. internet

How did the kansas-nebraska act contradict the missouri compromise?

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