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| 9369850797 | Order of planets from sun outward; MVEMJSUN | Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune; Men Very Easily Make Jugs Serve Useful Needs | 0 | |
| 9369850798 | Soil Layers; OAEBCR | O Horizon, A Horizon, E Horizon, B Horizon, C Horizon, R Horizon; Only Aunts Eat Broccoli Cheddar Rum | 1 | |
| 9369850799 | Atmospheric layers from farthest to closest to Earth; TMST | Thermosphere, Mesosphere, Stratosphere, Troposphere; Too Many Shitty Teachers | 2 | |
| 9369850800 | Freshwater zones; LLPB | Littoral zone, Limnetic Zone, Profundal Zone, Benthic Zone; Ladies Love Peanut Butter | 3 | |
| 9369850801 | Ocean zones; CEBA | Coastal Zone, Euphotic Zone, Bathyal Zone, Abyssal Zone; Claudia Eats Baby Alligators | 4 | |
| 9369850802 | Four most dangerous air pollutants; CFRS | Cig smoke, Formaldehyde, Radon-222, Small and ultra-fine particulates; Crazy For Respiratory Systems | 5 | |
| 9369850803 | Six pollutants reduced by National Ambient Air Quality Standards (NAAQS); LCVSSN | Lead, Carbon monoxide, Volatile organic compounds, Suspended particulates, Sulfur dioxide, NOx; Little Crazy Vermon Sit Somewhere Now | 6 | |
| 9369850804 | Ranks of Coal; PLSBA | Peat, Lignite, Sub-bituminous, Bituminous, Anthracite; Peter Loves Some Big Ass | 7 | |
| 9369850805 | Major components of air pollution; SPLONC | Sulfur Dioxide, Particulates, Lead, Ozone, Nitrogen Dioxide, Carbon Monoxide; Some Pollution Lands on Nature Constantly | 8 | |
| 9369850806 | Causes of extinction; HIPPCO | Habitat destruction/fragmentation, Invasives, Population, Pollution, Climate change, Overharvesting; HIPPCO | 9 | |
| 9369850807 | Green Revolution factors; FIG | Fertilizers and pesticides, Irrigation, Genetically Engineered Plants; FIG | 10 | |
| 9369850808 | Categories of Pathogens; VBFPP | Viruses, Bacteria, Fungi, Protozoa, Parasitic Worms; Very Bad For Pretty People | 11 | |
| 9369850809 | Six Criteria Pollutants (the dirty half dozen); CLONSP | Carbon monoxide, Lead, Ozone, Nitrogen dioxide, Sulfur dioxide, particulates; CLONSP | 12 | |
| 9369850810 | Factors of Water Quality; PHDTB | pH, Hardness, DO, Turbidity, BOD; Please Hope Don't Talk Back | 13 | |
| 9369850811 | Four types of waste; CIRT | Corrosive, Ignitable, Reactive, Toxic; Claudia Is Really Tan | 14 |
