Which plate is north of african plate and west of north american plate? Please help me out

Iknow the answer to 13 is b and 14 is d. i just need to know why the correct answers are correct

What is the overall order of reaction for rate = k[no]2[o2]

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