Bicycle Trip 30 Distance (km) 0 0 1 2 3 Time th) The graph above shows the speed at which a cyclist traveled for every hour in a 4 hour ride. Which of the following was the average speed of the cyclist?​

Diffraction is when light is bent around obstructions. which of the these observation about clouds would indicate diffraction? a) after rain storms, you can sometimes see rainbows. b) clouds are white or gray and cannot be seen through. c) on a cloudy day, the temperature tends to be cooler than a sunny day. d) the edges of dark clouds appear lighter. this