A student is attempting to draw several resonance structures for a species. Which of the following is allowed?
A) Change the number of paired and unpaired electrons.
B) Move electrons from one location to another.
C) both a and b
D) neither a nor b
B
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It is possible to contribute to health problems for people in China, India, or Africa when discarding a cell phone or other electronic device in the United States
Answer the following statement true (T) or false (F)
What will make people change their way of using energy and perhaps viewing the world?
A) They need to see a maximum to their material gains and the distribution of the costs. B) There need to be laws that direct the behaviors of the people. C) There needs to be more science conducted and presented to the masses. D) None of these choices.
A Santa Ana (or Chinook or Foehn) wind is a:
A) wind that is peculiar to the China mainland. B) cold, damp wind blowing off snow fields. C) very dry, warm wind coming down a mountain slope. D) wind associated with a blizzard.
Wetlands, estuaries, mangrove swamps, and coral reefs are examples of ____.
A. coastal areas B. ocean habitats C. groundwater reservoirs D. deltaic deposits. E. pelagic zones