Asked by b
Which of the following scenarios is representative of how agricultural practices can affect the environment?
a.
increased oxygen levels in a pond due to fertilizer runoff
b.
sediment accumulation in a body of water near a farm
c.
soil compaction caused by tillage
d.
increased plant growth caused by the application of herbicides
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b
Sediment accumulation (siltation) from soil erosion on farmland is a common environmental impact of agriculture. (a) is wrong — fertilizer runoff typically causes algal blooms and decreased oxygen. (c) soil compaction is usually caused by heavy machinery or livestock trampling rather than tillage loosening soil. (d) is wrong — herbicides reduce plant growth, not increase it.
Sediment accumulation (siltation) from soil erosion on farmland is a common environmental impact of agriculture. (a) is wrong — fertilizer runoff typically causes algal blooms and decreased oxygen. (c) soil compaction is usually caused by heavy machinery or livestock trampling rather than tillage loosening soil. (d) is wrong — herbicides reduce plant growth, not increase it.
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