Photochemical smog results from automobile pollutants reacting with ultraviolet light from the sun. <span>Nitrogen oxides released from the automobile are introduced into the atmosphere reacts with sunlight to produce singular oxygen atoms. Oxygen atoms then combine with molecular oxygen to produce ozone which is one of the components of photochemical smog.</span>
Answer:
If it's triangles on one side it's a cold front
If it's a red line with semi circles then it's a warm front.
Answer:
Senses that its too cold and turn the heat on and warm it up
Explanation: