Many reactions that produce secondary pollutants are triggered by ________ and are called photochemical reactions
A) strong sunlight B) clouds C) pressure D) wind
A
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If a rock is metamorphosed but does not contain foliation or lineation, what has probably happened to the rock?
A. It was only flattened during metamorphism. B. It has been deformed but not metamorphosed. C. It has not been metamorphosed. D. It has been flattened and stretched while it was metamorphosed. E. It has been metamorphosed but not deformed.
________ changes many characteristics of floods in smaller streams
Fill in the blank(s) with correct word
What two pollutants are the primary causes of acid precipitation?
A) SO2 and NOx B) NOx and N2O C) Ozone and lead D) Ozone and SO2
Currently, there are three world cities that are the control points for international finance, global marketing, and international production. Two of these are New York and Tokyo. Which of the following is the third world city?
A. Cairo B. Los Angeles C. London D. Seoul