Choose the incorrect option. (A) Phosphate fertilizers in...

Choose the incorrect option.
(A) Phosphate fertilizers in water causes
BOD level of water increases
(B) Methane in air causes
Global warming
(C) Synthetic detergents in water causes
BOD level of water increases
(D) Nitrogen oxides in air causes
Eutrophication

Key Concepts

Air Pollutants

Air pollutants, such as methane and nitrogen oxides, are substances in the atmosphere resulting from natural and human activities. Methane is a potent greenhouse gas contributing to global warming, while nitrogen oxides can play a role in both air quality deterioration and secondary environmental impacts like acid rain and nutrient deposition. Understanding these pollutants is essential to addressing diverse environmental challenges.

Biochemical Oxygen Demand (BOD)

BOD is a measure of the amount of oxygen required by aerobic microorganisms to decompose organic material in water. It is a critical indicator of water quality, as higher BOD levels typically signify greater organic pollution, mainly from sources like industrial waste, sewage, or other organic contaminants. Understanding BOD helps in assessing the impact of various pollutants on aquatic ecosystems.

Global Warming

Global warming refers to the long-term rise in Earth’s average surface temperature due to the increased concentration of greenhouse gases in the atmosphere. These gases, including methane, trap heat and lead to climate change, resulting in significant environmental impacts such as altered weather patterns, melting polar ice, and rising sea levels.

Eutrophication

Eutrophication is the process by which water bodies become enriched with nutrients, such as nitrogen and phosphorus, leading to excessive growth of algae and aquatic plants. This phenomenon can result in oxygen depletion when the organic matter decomposes, severely impacting aquatic life and water quality. It is commonly linked to runoff from agricultural fertilizers and detergents.

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