This compound or group of compounds is primarily responsible for the yellow to reddish-brown color of Los Angeles smog
A) carbon monoxide
B) sulfur dioxide
C) volatile organic compounds
D) nitrogen dioxide
Answer: D
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Religions differ in their attitudes towards ________, which are often reflected in national laws
Fill in the blank(s) with the appropriate word(s).
The mass extinction in the geologic record, which proved to be the most devastating to life on Earth, occurred at the
end of the ____. a. Cambrian b. Cretaceous c. Devonian d. Ordovician e. Permian
________ is the relative long-distance movement from one region of a country to another
A) Interregional migration B) Intraregional migration C) Forced migration D) Regional mobility E) International mobility
Shifting agriculture (slash-and-burn agriculture)
A. relies on one or two primary crops. B. is commonly practiced in grasslands. C. increases the fertility of the soil for several years. D. involves temporarily removing a small portion of a forest.