Sick-building syndrome is a result of exposure to ________.
A. radon
B. asbestos
C. formaldehyde
D. arsenic
Answer: C
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Which of the following is a mechanical barrier to conception?
A. IUD B. Condoms C. Birth control pills D. Vasectomies E. Abortion
Which of the following is a correct example of global warming creating a positive feedback?
A. Ice has a higher albedo than water so replacing ice with water causes the surface to warm. B. Less water evaporating will create more low level clouds causing the surface to warm. C. More water evaporating will create more low level clouds causing the surface to warm. D. Ice has a lower albedo than water so replacing ice with water causes the surface to warm.
Which of the following best matches the description?Class of pesticides that interferes with normal nerve impulses.
A. biocide B. soft pesticide C. persistent pesticide D. hard pesticide E. organophosphate F. biomagnification G. micronutrients H. chlorinated hydrocarbon I. micronutrient J. pheromone K. macronutrient L. rodenticide M. herbicide N. weed O. auxin P. macronutrients Q. fungicide
Which of the following methods of transportation will result in the best degree of sorting, with all the particles being roughly the same size?
A) Waves on a beach B) Streams C) Glaciers D) Wind