According to the rate law, how do concentrations affect rate? O A. The rate increases as concentrations decrease.
O B. It is impossible to tell how the rate is affected.
O C. The rate is independent of concentrations.
D. The rate increases as concentrations increase.

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