Of the two types of dumps utilized for solid waste, open dumps
a. are rare in developed countries
b. cover wastes with clay or plastic foam
c. have little odor
d. are vermin free
e. none of these answers
A
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Carbon, hydrogen, oxygen, and nitrogen make up approximately what percentage of most living organisms?
A. 25% B. 47% C. 82% D. 96% E. 100%
What is the name for the situation wherein metropolitan areas sprawl in all directions and suburbs take on many of the characteristics of traditional downtowns?
A) urban decentralization B) new urbanism C) concentric zones model D) urban decay E) gentrification
Using the numbers 1, 2, and 3 to designate each of the three soil horizons, place these numbers in the appropriate locations on the soil texture triangle in Figure 28.2.
In the textural analysis of mineral particle sizes, the A horizon is mainly made up of _______ the B horizon is mainly made up of _______ and the C horizon is mainly made up of _______.
Fill in the blank(s) with the appropriate word(s).
An old friend has died from a disease that resulted from his lifelong exposure to a toxic substance. From which of these illnesses did the friend most likely die?
A) Whooping cough B) A bacterial infection C) Cancer D) Malaria