Which type of glass is used in most sliding doors?
a. tempered
b. laminated
c. annealed
d. polycarbonate
Answer: a. tempered
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Instructions: Choose one answer from each pair of selections. Lake-effect snows result when an air mass moves across a large body of FROZEN | UNFROZEN water
Which of these is the greatest hazard?
A) Mauna Loa B) Mt. St. Helens C) global warming D) The San Andreas Fault
Which statement best describes wilderness areas in the United States?
A. They are regions of low biological diversity. B. They must be surrounded by development. C. They cannot have buffer zones because of regulations. D. They are officially designated areas to be undisturbed by humans. E. They are areas of significant deforestation.
In which of the following locations in Canada does the greatest annual number of thunderstorms occur?
A. northern Saskatchewan B. southern Ontario C. northern Quebec D. northern Manitoba