Which of the following best matches the description?Increases in the amount of material at successively higher trophic levels.
A. macronutrients
B. organophosphate
C. micronutrients
D. chlorinated hydrocarbon
E. biomagnification
F. biocide
G. persistent pesticide
H. rodenticide
I. micronutrient
J. pheromone
K. hard pesticide
L. herbicide
M. soft pesticide
N. weed
O. auxin
P. fungicide
Q. macronutrient
Answer: E
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A. 4,440 kWh per year B. 130 kWh per year C. 1,560 kWh per year D. 370 kWh per year
When we purchase a product, the price we pay directly reflects the ________ cost of producing it. If the manufacture of the product degrades the quality of air or water, then the costs of this pollution are termed ________ costs.
A. External; internal B. Incidental; external C. Incidental; indirect D. Indirect; incidental E. Internal; external
Why were the citizens of Heimaey, Iceland, successful in stopping the lava flow that threatened their harbor?
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Which of the four numbered features on this figure is the youngest?
A. 1 B. 2 C. 3 D. 4