Water Pollution Crossword Puzzle

QUESTIONS LIST:

• phosphates: significantly impact water quality by causing excessive growth of algae.
• thermal: increase temperature and reduces oxygen levels and may harm river species.
• algal bloom: nutrient overload which depletes dissolved oxygen and kills off fish
• groundwater: a pollution that is a serious but hidden global threat to human health, ie pesticides and fertilizers.
• wastewater: any water that contains sewage, wastes, or polluting chemicals from homes and industries.
• mining: third largest source of water pollution.
• point: involve substances from factories, sewage systems, power plants, etc.
• nitrates: oxidized form of dissolved nitrogen, naturally in soil but replenished through fertilizer.
• pathogens: most serious and widespread water pollutants from infected animals and humans.
• dilution: used with bacterial bio-degradation to naturally eliminate waste.
• water pollution: any change in water quality that can harm living organisms.
• eutrophication: natural nutrient enrichment of a shallow lake, a coastal area at the mouth of a river or a slow-moving stream.
• fracking: used to extract oil and natural gas from thousands of wells.
• agricultural: one of the leading activities to water pollution.
• non point: examples include, run off eroded soil, fertilizers. parking lots, golf courses.
• dead zones: bottom waters where marine organisms live.