Answer:
Photochemical Smog
Increased human population and decreased habitats for plants and animals
Explanation:
Photochemical smog is a type of air pollution, it is caused from the reaction of solar radiation with airborne pollutant mixtures of nitrogen oxides (NOx) and volatile organic compounds (hydrocarbons).
Smog is a byproduct of modern industrialization.
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With an increase in human population there is a decrease in habitats because we continue to make more homes, stores, roads...etc.
