Which of these would be the best way to find whether a toy car will roll faster down a board covered with sandpaper or a board covered with aluminum foil?
A measuring the time it takes the car to roll all the way down each board
B. measuring how far the car rolls down each board
C. measuring how much weight each board will hold before breaking
D. measuring the length and height of each board

Which of the following statements accurately describe the importance of the american concept of government and democracy? (select all that apply.)

1. in the debate for the student council election, a student candidate quoted explicit lyrics from a popular song. the school suspended him for two days, in line with school policy. 2. a student sued the school over its policy of holding two proms: one for african american students and one for white students. - are these civil or criminal cases? how do you know? - which court has original jurisdiction in the case: state court, federal court, or the u.s. supreme court? -. where will the case go next if it is appealed?

What effect has mass media had on obesity in the united states a. television commercials and programs have promoted increased acceptance of obesity b. public service announcements have halted the increase in obesity c. educational documentaries have caused obesity in the united states to fall d. advertisments for unhealthy foods have encouraged obesity