Envi Sci 8

61 flashcardsby Aeriel
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1
Mixture of gases in the atmosphere.
Air
2
Introduction of harmful substances into the air.
Air Pollution
3
Makes up 78% of Earth's atmosphere.
Nitrogen
4
Makes up 21% of Earth's atmosphere.
Oxygen
5
Suspended particles or droplets in the air.
Particulate Matter (PM)
6
Diameter between 2.5 - 10 micrometers.
Coarse Particles
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Diameter smaller than 2.5 micrometers.
Fine Particles
8
Gases produced from burning fossil fuels.
Nitrogen Oxides (NOx)
9
Organic chemicals that evaporate easily.
Volatile Organic Compounds (VOCs)
10
Molecule of three oxygen atoms; protects from UV. Pollutant at ground level.
Ozone (O3)
11
Gas from burning fossil fuels, triggers asthma.
Sulfur Dioxide (SO2)
12
Odorless gas that reduces oxygen levels.
Carbon Monoxide (CO)
13
Respiratory problems caused by air pollutants.
Health Issues
14
Air pollution that reduces visibility and harms health.
Smog
15
Rainfall made acidic by pollutants like SO2.
Acid Rain
16
Variety of species in an ecosystem.
Biodiversity
17
Country with high biodiversity, like the Philippines.
Megadiverse Country
18
Human actions that contribute to air pollution.
Industrial Activities
19
Negative impacts of pollution on ecosystems.
Environmental Problems
20
Prolonged contact with pollutants causing health issues.
Long-term Exposure
21
Health problems affecting breathing.
Respiratory Issues
22
Complex compounds found in particulate matter.
Nitrates and Sulfates
23
Number of islands in the Philippines.
7,641
24
Reduction of forested areas impacting biodiversity.
Forest loss
25
Contamination of air affecting health and environment.
Air pollution
26
Variety of life in a specific habitat.
Biodiversity
27
Position of a country based on environmental metrics.
Global ranking
28
Law to control air pollution in the Philippines.
Philippine Clean Air Act of 1999
29
Republic Act number for the Clean Air Act.
RA 8749
30
Limits on pollutants from vehicles and industries.
Emissions restrictions
31
Local authorities responsible for pollution control measures.
Local Government Units (LGUs)
32
Innovative methods to manage pollution sustainably.
Sustainable technologies
33
Area with common weather and pollution sources.
Airshed
34
Referred to as the DENR, and the department that manages all decisions referring to the environment and its natural resources.
Department of Environment and Natural Resources
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Regions meeting air quality standards.
Attainment areas
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Regions failing to meet air quality standards.
Non-attainment areas
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Global health agency addressing air quality issues.
World Health Organization (WHO)
38
Standards set by WHO for air pollution.
Air Quality guidelines
39
Global campaign to improve air quality by 2030.
BreathLife2030
40
Gases trapping heat in Earth's atmosphere.
Greenhouse gases (GHGs)
41
Natural process maintaining Earth's temperature.
Greenhouse effect
42
Primary greenhouse gas from fossil fuel combustion. Most abundant human-produced greenhouse gas.
Carbon dioxide
43
Potent greenhouse gas from agriculture and waste. Traps heat more effectively than CO2.
Methane
44
Increase in Earth's average temperature due to GHGs.
Global warming
45
Increase in ocean water levels due to melting ice.
Rising sea levels
46
Destruction of habitats for species like polar bears.
Polar habitat loss
47
Primary source of CO2 emissions, mainly used for energy production.
Fossil Fuels
48
Major source of methane emissions, mainly used for food production.
Agriculture
49
Most abundant greenhouse gas, concentration varies with temperature.
Water Vapor (H2O)
50
Synthetic gases with high global warming potential.
Hydrofluorocarbons (HFCs)
51
Synthetic gas used in electrical insulation.
Sulfur Hexafluoride (SF6)
52
Gases naturally present without harm to humans.
Natural Greenhouse Gases
53
Man-made gases causing significant environmental harm.
Synthetic Greenhouse Gases
54
Group of synthetic gases used in refrigeration.
Chlorofluorocarbons (CFCs)
55
Damage to ozone layer from CFCs and halons.
Ozone Depletion
56
Harmful radiation absorbed by the ozone layer.
Ultraviolet Radiation (UV)
57
Measure of a gas's heat-trapping ability.
Global Warming Potential (GWP)
58
Stratospheric layer protecting Earth from UV radiation.
Ozone Layer
59
Polar regions impacted by ozone layer damage.
Polar Ice Caps
60
Water vapor released from plants into the atmosphere.
Transpiration
61
The removal of trees faster than forests can replace themselves.
Deforestation
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