Unit 7
Emitted directly from sources such as vehicles, power plants, factories, or natural sources.
What is a primary pollutant?
Pollutants entering the environments from many places at once.
What is nonpoint source pollution?
Examples of infectious diseases spread via mosquito bites.
What are Zika, West Nile, and Malaria?
Carbon dioxide, methan, water vapor, nitrous oxide, and chlorofluorocarbons (CFCs).
What are greenhouse gases?
An endocrine disruptor insecticide that was banned, but remains in the environment.
What is DDT?
The 6 criteria pollutants of the Clean Air Act (1970).
Chemicals that interfere with the hormone systems of animals.
What is an endocrine disruptor?
The dose of a chemical that is lethal to 50% of the population of a particular species.
What is LD50?
Environmental effects of climate change due to increased greenhouse gases. (List 3)
What are sea level rise, ocean acidification, ocean warming, change in wind patterns, change in oceanic currents, melting ice sheets, warming of the polar regions, loss of ice/snow in polar regions, melting permafrost?
A device to mitigate pollution from combustion engines.
What is a catalytic converter?
Indoor air pollutants. (List 3)
What are CO, asbestos, dust, smoke, radon, mold, COVs, formaldehyde, lead, NOx, SO2, tobacco?
Increasing concentrations of fat-soluble compounds in each level up the trophic pyramid or food web/chain.
What is biomagnification?
Methods of solid waste disposal. (list 2)
Carbon dioxide dissolves into the ocean and creates hydrogen ions.
What is ocean acidification?
Impacts of acid rain on ecosystems. (List 2)
What are acidification of soils and bodies of water, and corrosion of human-made structures?
The layers in a thermal inversion.
What is cool, warm, cold?
Examples of POPs. (List 3)
What are pesticides, medications, PCBS, dioxins, perchlorates, BPAs?
The secondary treatment of sewage.
What is a biological process in which bacteria break down organic matter into carbon dioxide and sludge?
Examples include construction of roads and pipelines, clearing for agriculture or development, and logging.
What are reasons for habitat fragmentation?
Ecosystem services of wetlands. (List 3)
What is:
🦀🐟 Provisioning: habitat for animal & plant foods
🌡️ Regulating: groundwater recharge, absorb. of floodwater, CO2 sequestration
🚰🐝🕷️ Supporting: H2O filtration, pollinator habitats, nutrient cycling, pest control
🏕️🛶👩🔬 Cultural: tourism revenue, fishing license, camping fees, ed/med research
The process of photochemical smog formation.
What is sunlight breaks apart NO2, VOCs combine with NO, O3 combines with photochemical oxidants?
The process of eutrophication.
What is:
1. Excess nutrients
2. Algae bloom - killing plants by blocking sunlight
3. Lower O2 levels
4. Bacteria use O2 in decomposition
5. Start of positive feedback loop
The components of a sanitary municipal landfill. (Give all 5)
What are a bottom liner, a stormwater collection system, a leachate collection system, a cap, and a methane collection system?
The natural cause of ozone depletion in the Antarctic.
Heat released into the water produces negative effects to the organisms in that ecosystem.
What is thermal pollution?