In South America and other LDCs with high total fertility rates, farmers engage in slash and burn of the rain forest to
A) increase areas for farming.
B) provide fuel for cooking and heating homes.
C) support the logging industry.
D) provide wood for pulp to produce paper.
Question 2
The best way to reduce the pollution of agricultural fertilizer runoff from farm fields is to
A) treat the water before it reaches streams or rivers.
B) reduce the amount fertilizer leaving the farm fields through such techniques as no-till cultivation.
C) add chemicals into the rivers and streams that neutralize the fertilizers.
D) raise crops in the rivers and streams that use the fertilizers.
(a) With few ticks, moose retain a brown coat; (b) at high numbers of ticks, moose self-groom, destr
South Russian Ovcharka
Risks of infectious disease increase in (a) high-density agricultural populations compared to (b) lo
Decrease in Fertility, 1800–1900
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