Answer:
Light travels in waves, and we call this traveling propagation. Propagation of waves has both a speed and a direction, called the velocity. The velocity of light changes depends on the material it travels through.
Light waves can be changed in a few different ways. Reflection is when the waves bounce off a surface and change direction, like when they hit a mirror or pool of water. Diffraction spreads out light waves as well
Explanation:
"Area 2: a layer of haze forms near the ground and affects human health" is the one area among the following choices given in the question that is affected by smog. The correct option among all the options that are given in the question is the second option or option "B". I hope the answer helped you.
