What are at least two levels at which soil conservation must be practiced? Give an example of what is being done at each level
What will be an ideal response?
Soil conservation takes place with the individual landholder and with public policy. Examples of helping landholders include the TerrAfrica Alliance, the Sustainable Agriculture and Rural Development Initiative (SARD), and the Keita Project. Examples of public policy intervention include subsidies like the SARE program, farm legislation like the FAIR Act of 1996, the 2002 Farm Security and Rural Investment Act, and the Farm Bill of 2012 . Other policies that may be cited include the WHIP, EQIP, and CSP.
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Frontal lifting:
A) is not related to temperature differences between air masses. B) leads to increased pressure on the warm front. C) can act in a way that is analogous to orographic lifting. D) is most pronounced when a cold front meets a cold front.
Biodiversity enhances human food security because it ________
A) decreases the number of predators B) is a potential source of new food items or new genetic varieties of existing foods C) increases the number of available pathogens D) means that there is genetic uniformity E) reduces the number of pollinators available to any one plant species
Dikes are ________________ plutonic features, perpendicular to rock layers
Fill in the blank(s) with correct word
Aftershocks occur because ________
A) the area surrounding a region that experienced a large earthquake needs time to adjust to the displacements on the main fault B) the day after a large earthquake there are tidal forces that continue to create additional earthquakes C) seismic energy continues to build up for a period of time after a major earthquake D) there are always small earthquakes on major faults, but we do not notice them until there is a large event that makes us aware of them