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>
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If there are no animal cells, then life on earth would not exist. Also plants would dominate.
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Nocturnal animals are important pollinators. What niche do they specifically fill? They eat the nectars of angiosperm flowers.
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