In sunny cities such as Los Angeles, the ever-rising automobile population and the large petroleum processing plants generate ____________________smog, which irritates the eyes
Fill in the blank with correct word.
ANSWER: photochemical?
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Does it make sense to say that a textbook is about 99.9% empty space?
A. No. A textbook could only be considered to be 99.9% empty space if it were combusted. B. Yes. A textbook like all material things is made up of atoms, which are considered to be 99.9% empty space. C. No. A textbook is a solid and thus is quite dense. Therefore, it is not 99.9% empty space. D. No. Only gases are considered to be 99.9% empty space. Liquids and solids are not.
Write a short essay discussing the relationship between organic reef deposits and evaporite
deposits in the Devonian of western Canada. What will be an ideal response?
Sandbars deposited on the inside of meander curves are called
A. point bars B. cutbanks C. dunes D. none of the preceding
Which of the following is a correct pair that identifies a Chinese province with a per capita GDP lower than its neighboring country?
What will be an ideal response?