Food and Agriculture multiple choice

all of these are environmental problems associated with pesticide use in the us except

an ongoing application of DDT

one potential way to deal with the problem of over harvesting is intensifying

aquaculture

erosion is most likely when the soil is

bare and exposed to wind and rain

all of these contribute directly to fertile topsoil except

bed rock chemical reactions

earth's available arable land is being reduced by

fast growing population, soil erosion, and desertification

products obtained from livestock include

leather, wool,eggs,meat, and manure

salinization may be caused by

long term irrigation

traditional agriculture typically depends upon

manual or animal plowing and synthetic fertilizers

many people worldwide are malnourished, in part because pood production is

sufficient, but distribution is inconsistent

which of the following agricultural products requires the least amount of energy?

wheat