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
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
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