Which of following best describes why asbestos minerals are hazardous to humans?
A. contain toxic elements and are chemically resistance
B. contain toxic elements and was once widely used in society
C. small size and fibrous shape
D. fibrous shape and are chemically resistance
E. readily dissolves and contains toxic elements
Answer: D
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When light passes from air through a prism, light of all frequencies
A. remain at speed c. B. slow down. C. speed up. D. none of the above
Why might this be the case?
The question is based on Figure 24-8, charts showing annual precipitation in Tucson, Arizona, and Bozeman, Montana, from 1905 to 2015.
What will be an ideal response?
Dinoflagellates are known for ________.
A. producing toxins that can be lethal to humans B. producing toxins that can be lethal to humans, their ability to glow with bioluminescence, and their formation of bottom sediments C. their ability to glow with bioluminescence D. their formation of bottom sediments E. producing toxins that can be lethal to humans and their ability to glow with bioluminescence
Temperature inversions ____.
A. occur when a layer of cold air prevents warm air from rising B. make pollution problems worse C. last only a few minutes to a few hours D. cause cool air near the earth's surface to expand and rise, carrying pollutants higher into the troposphere E. help prevent air pollution