The graph shows the number of aCalories Burn while they perform various exercises for one hour each 800
700
600
500
400
300
200
100
160 lbs (73 kg)
-200 lbs (91 kg)
Aerobics Basketball Jogging, Volleyball Walking,
Game 5 mph
3.5 mph
Various Activities Performed in 1 Hour Duration
It is best to use a graph, instead of using a chart or a table to represent data when one needs to?
O change data
o organize data.
o compare data
Oview trends in data.

What feature of cell theory is best demonstrated in the image

15 ! come and answer! a(n) disease is caused by a pathogen and can spread among organisms. a infectious b noninfectious c toxic d contaminated

Sally and sue were investigating the topic of friction in science. they used a small car and a ramp as seen in the picture to test what they were learning. they knew that they slipped easily on waxed floors but not on carpet, so they decided to change the material on the surface of the ramp to see what happened. they planned to use glass, carpet, aluminum foil, and sandpaper and run the car down the ramp over each surface. what would be the best research question to guide the girls' experiment? a) does the amount of surface area affect the friction on the moving car? b) will the car travel fastest on the glass surface? c) how does the angle of the ramp affect the speed of the car? d)do rougher surfaces tend to create more friction than smooth surfaces?