Organophosphates and carbamates work by
A. causing internal bleeding in mammals.
B. only killing pest insects.
C. interfering with an insect's nervous system.
D. interrupting photosynthesis in weeds.
Answer: C
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Which is considered a physical factor?
a. Diffusion b. Dissolved nutrients c. Surface-to-volume ratio d. Active transport
What part of American history makes it difficult for us to suggest halting deforestation in the tropical rainforest? How did deforestation proceed in the United States? Why is deforestation there different than it was here?
What will be an ideal response?
It is virtually impossible for small ships at sea to survive a passing tsunami.
Answer the following statement true (T) or false (F)
In an aquatic ecosystem experiencing eutrophication, levels of dissolved macronutrients ________ and dissolved oxygen levels ________
A) decrease; decrease B) decrease; increase C) remain stable; increase D) increase; decease E) increase; increase