Worldwide Use of Chemical Fertilizers (per year)
(million metric tons)
180
160
140
120
100
80
40
20
0
1960 1969 1970 1979 1980 1989 1990 1995
Food production has significantly increased over the last century to keep up with the demands of the growing world population
According to the graph
shown above, fertilizer use has also increased to improve plant growth during crop production. What is an
adverse impact to a local community from the long-term use of the fertilizers?
A
Fish populations will increase in local streams
B
Fewer carbon emissions from weathering of the soit
Biodiversity decrease in nearby ponds from runoff pollutants entering
water
D
A higher carrying capacity for the secondary consumers that live in and
around the community