Which of the following best describes why open dumps in the U.S. were banned in 1983?
A. municipal waste was attracting wild animals and generating air pollution from fires.
B. municipal waste was beginning to contain toxic household chemicals.
C. people became more educated on the benefits of sanitary landfills.
D. urban development was making it harder to find suitable dump sites.
E. municipal waste was beginning to contain toxic automobile batteries and tires.
Answer: A
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How is the number of unpaired valence electrons in an atom related to the number of bonds that the atom can form?
A. The number of unpaired valence electrons in an atom is twice the number of bonds that the atom can form. B. The number of unpaired valence electrons in an atom is one-half the number of bonds that the atom can form. C. There is no defined relationship between the number of unpaired valence electrons and number of bonds that the atom can form. D. The number of unpaired valence electrons in an atom is the same as the number of bonds that the atom can form.
The highest wind speed observed with an anemometer was 231 mph at Mt. Washington, NH on 12 April 1934. Plot 231 in New Hampshire on Figure 4. What will be an ideal response?
Many wealthy immigrants from Hong Kong began immigrating to Canada after 1997 because ________
Fill in the blank(s) with correct word
Dividing the number of rain days in a year by the total number of days in a year yields the ____
a. probability of rainfall b. rain ratio c. rain deficit d. rain distribution