Herbicides would be most useful in combating ________
A) weeds that infest our agricultural fields
B) bacteria, such as Salmonella, which sometimes contaminate meat
C) mosquitoes that spread malaria in tropical rain forests
D) fungi that attack plant roots
A
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Which area is most likely to contain brackish water?
a. sandy beach b. estuary c. deep ocean d. surface open ocean e. coral reef
A home is buried in soil such that only the south facing side of the home, with many large windows, is exposed to the outside. Such construction of a home in Oklahoma is benefiting from
A) biomass heating and geothermal cooling. B) active geothermal heating and cooling. C) solar heating and geothermal cooling. D) passive solar and active biomass energy.
Continental polar air masses frequently have surface temperature inversions that contribute to their stability
Indicate whether the statement is true or false
The asthenosphere is a mantle zone of low seismic wave velocity that behaves in a ductile manner.
a. true b. false