In 2010, the world's top gold producing countries were, in order
a. South Africa, United States, China, Australia and Russia
b. China, Australia, South Africa, United States and Russia
c. Russia, India, China, United States, Brazil
d. India, Brazil, China, United States and Canada
e. Brazil, United States, China, Canada and Australia
B
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Considering a hurricane heading westward toward Florida, where are the strongest winds most likely found?
A. on the eastern side B. on the northern side C. on the western side D. on the southern side
Which ions—positive ions or negative ions—tend to be larger and why?
A) Positive ions because they have more protons B) Positive ions because they have more electrons C) Negative ions because they have more neutrons D) Negative ions because they have more electrons
The Vine-Matthews hypothesis explains the origin of
A. polar wandering B. continental drift C. mid-oceanic ridges D. seafloor magnetic anomalies
In Central and South America, people are more likely to protect the natural environment because they are learning that __________.
- they will pay high fines or be sent to prison if they travel into these regions - the natural environment provides most of their basic needs - natural environments prevent the formation of damaging weather systems such as hurricanes - most of these systems are a major source of carbon dioxide