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Questions and Answers
Which of the following best describes eutrophication?
Which of the following best describes eutrophication?
- Solid waste
- Air pollution
- Filling up of water body with aquatic due to extra nourishment (correct)
- Thermal change in water
What does biochemical oxygen demand (BOD) measure?
What does biochemical oxygen demand (BOD) measure?
- Dissolved O2 needed by microbes to decompose organic waste (correct)
- Industrial pollution
- Polluting capacity of effluent
- Air pollution
Which of the following is a main component of photochemical smog?
Which of the following is a main component of photochemical smog?
- Solid waste
- Oxides of nitrogen (correct)
- Water vapor
- Sulfur dioxide
What is the typical impact of deforestation on rainfall?
What is the typical impact of deforestation on rainfall?
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What does the term 'Alpha diversity' refer to?
What does the term 'Alpha diversity' refer to?
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Study Notes
Eutrophication
- Eutrophication is a process where a body of water becomes enriched with excess nutrients, leading to an explosion of algal growth, deoxygenation, and harm to aquatic life.
Biochemical Oxygen Demand (BOD)
- BOD measures the amount of oxygen required by microorganisms to break down organic matter in water, indicating the level of water pollution.
Photochemical Smog
- Ozone (O3) is a main component of photochemical smog, which is a type of air pollution formed when ultraviolet light reacts with nitrogen oxides, volatile organic compounds, and other pollutants.
Deforestation
- Deforestation typically leads to a decrease in rainfall, as the loss of forest cover disrupts the water cycle, reduces evapotranspiration, and alters the local climate.
Alpha Diversity
- Alpha diversity refers to the variety of different species present within a single ecosystem or community, measuring the richness and diversity of species within a specific area.
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