Where is Canada's tornado alley located?
A. southern Ontario
B. southern Quebec
C. southern Alberta
D. southern Manitoba
Answer: A
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Hurricanes lose their energy when they move over land because of the lack of heat generation.
a. true b. false
When the average temperature of the warmest month of a region averages above freezing, but below 10°C (50°F), you might expect to observe what type of vegetation there?
a. savanna b. tundra c. taiga d. steppe e. none - it’s too cold for anything to grow
Which nation hosted the World Cup in 2010, becoming the first African nation do to so?
A) Somalia B) South Africa C) Nigeria D) Kenya E) Ghana
Chemical equations need to be balanced not only in terms of the number of atoms, but also by the charge. In other words, just as there should be the same number of atoms before and after the arrow of an equation, there should be the same charge
What set of coefficients is necessary to balance the following chemical equation? ____ Sn2+ + ____ Ag ? ____ Sn + _____ Ag? A) 1, 2, 1, 2 B) 1, 1, 1, 2 C) 1, 2, 2, 2 D) 1, 1, 2, 1