In the 19th century, the geologic time scale was based primarily on rock exposures and the
sequence of fossils in the rock record. Indicate whether the statement is true or false.
T
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Canada possesses massive deposits of an unconventional resource called
A) high technology extraction reserves. B) unprofitable reserves. C) potential reserves. D) fracking. E) oil sands.
Which of the following are the greatest health threats in a developing country?
A) Cardiovascular disease, including heart attacks and strokes B) Poisoning and exposure to carcinogens C) Conditions arising from poor nutrition and lack of hygiene D) Injuries from manual labor and agriculture
Crashes of American planes due to microbursts are usually attributed to
A) poor meteorological forecasting. B) the inability to predict when thunderstorms could occur. C) the erratic paths of tornadoes. D) pilot error. E) none of the above
What should you do if you are driving in your car and you encounter a tornado? Would a freeway overpass provide adequate shelter? Why or why not?
What will be the ideal response?