Question | Answer |
mixture of minerals and partially decomposed organic matter | soil |
the physically breaking down of rock by wind and water | Mechanical erosion |
changes the molecular structure | Chemical erosion |
tiny crater caused by the impact of a single drop of water | splash erosion |
transportation of loose soil particles along a flow of runoff water | sheet erosion |
occurs when the flowing water coalesces into small channels | rill erosion |
caused by rapidly flowing water creating deep channels in the ground (most severe) | gully erosion |
grown in spaced rows | row crop |
rows of (for example trees) reducing erosion by wind | windbreaks |
result of a diet that does not meet an individuals basic calorie requirement | undernutrition |
decrease in ability of blood to transport oxygen (lack of iron) | anemia |
lack of proper nutrition, caused by not having enough to eat, not eating enough of the right things | malnutrition |
application of water to soil | irrigation |
how much water actually makes it to plants | efficiency |
huge population undernourished | famine |
synthetically made from mixed minerals | inorganic fertilizer |
derived from plant and animal matter | organic fertilizer |
chemicals that kill or control populations of these undesirable organisms | pesticides |
forming higher and higher concentrations in organisms over a long period of exposure | bioaccumulate |
any organism that destroys crops and interferes with crop structure | biological pests |
produced without any synthetic pesticides or fertilizer | organic food |
method of growing plants without the use of soil | hydroponics |
implant of DNA into crops from other species that are resistant | GMO (Genetically Modified Organism) |
vitamins and minerals | micronutrients |
Know 3 things you took away from the Dust Bowl video | |