Nitrogen dioxide
A. is produced by sunlight.
B. is produced when fossil fuels are burned.
C. is a natural ingredient of the atmosphere.
D. can be reduced by using filters.
Answer: B
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Which of the following is not a characteristic of quartz?
A. commonly occurs in six-sided crystals B. hardness of 7 C. one direction of cleavage D. conchoidal fracture E. made up of SiO2
Governments use subsidies to attempt to strengthen food security.
Answer the following statement true (T) or false (F)
Evaporation is a cooling process
Indicate whether the statement is true or false
Concerned with the expensive disposal of their hazardous wastes, a company learns that it can purchase another chemical that will neutralize the company's hazardous wastes into a nontoxic form
The strategy used by this company is most consistent with which of the following hazardous-waste disposal system methods? A) Secure landfill B) Deep-well injection C) On-site surface impoundment D) Best-demonstrated available technology