APES Flashcards
Terms : Hide Images [1]
| 9009861817 | O Horizon | Surface litter: fallen leaves and partially decomposed | 0 | |
| 9009861818 | A Horizon | Topsoil: organic matter (humus) living organisms, inorganic materials | 1 | |
| 9009861819 | E horizon | Zone of leaching: dissolved or suspended materials move downward | 2 | |
| 9009861820 | B Horizon | Subsoil: accumulation of iron, aluminum, humic compounds, and clay leached from the A and E horizons | 3 | |
| 9009861821 | C Horizon | Weathered parent material: partially broken-down inorganic minerals | 4 | |
| 9009861822 | R Horizon | Bedrock: impenetrable layer | 5 | |
| 9016467699 | 5 soil forming factors | climate, terrain, biologic activity, geology, time | 6 |