Which hazard is considered a biological hazard?
A. disease-carrying pathogens
B. smoking cigarettes
C. drinking too much alcohol
D. natural flooding
E. unsafe working conditions
Answer: A
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Compared with a 2-kg block of solid iron, a 4-kg block of solid iron has the same
A. mass. B. weight. C. volume. D. none of the above
Land and sea breezes occur because
a. water evaporates from the ocean. b. of varying speeds of the earth's rotation. c. of different water temperatures in the ocean. d. heat absorption in water is faster than on land. e. heat is absorbed and released more slowly by water than by land.
How have natural resources been important in history? Provide an example of a situation in which
natural resources have altered the course of history. What will be an ideal response?
Rock bolts are used to prevent mass-wasting in what type of material?
A. Loose sand B. Loose soil C. Loose rock D. Sticky mud