As you suddenly stop the vehicle, you should
a. move to the left side of the lane
b. weave side to side in the lane
c. check for vehicles to the rear
d. flash your turn signals to alert others

When you see distant streetlights through smog, they look dimmer and redder than they do normally. but when you see the same streetlights through fog or falling snow, they look dimmer but not redder. use your knowledge of the interstellar medium to discuss the relative sizes of the particles in smog, fog, and snowstorms compared to the wavelength of light.