Which statement best defines air pollution?, The contamination of soil by pesticides, The introduction of harmful substances into the Earth’s atmosphere, The increase of ocean salinity only, The absence of artificial light at night, Which of the following is listed as a primary pollutant in air pollution?, Fine particulate matter (PM), Nitrates, Phosphates, Pathogens (bacteria and viruses), Which option best defines water pollution?, Excessive artificial light that is misdirected or obtrusive, Contamination of water bodies (lakes, rivers, oceans, groundwater) by substances that degrade water quality, Disturbing sound impacting human and wildlife well-being, Waste generation projected to increase by 70% by 2050, Which of the following is a key water pollutant mentioned?, Pathogens (bacteria, viruses), Sulfur compounds, Plastic waste entering the ocean (metric tons), Radioactive pollution only, Which statement best describes point-source pollution?, Contaminants released from a single, identifiable location, Pollution coming equally from all places with no identifiable origin, Only pollution caused by plastic waste in oceans, Only pollution caused by noise and light

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