How many elements make up most of Earth's crust?
A) 4
B) 12
C) 40
D) 100
Answer: B
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What travel though wire at nearly the speed of light is
A. free electrons. B. an electric signal. C. both of these D. none of the above
The "Ring of Fire" is located:
a) Around the Pacific Ocean b) Around the Atlantic Ocean c) Near the Gulf Coast Zone d) Around the Mediterranean Sea e) Along the Red Sea rift
How are high islands, coral atolls, and barrier reefs formed? Barrier reefs are formed through the growth of coral in shallow areas surrounding islands. Atolls
What will be an ideal response?
In order to make a forecast, the meteorologist must:
A) decide which model (s)he prefers and stick to it exclusively. B) compare two models and factor in the biases and limitations that each model has. C) run two models and calculate the average of the two predictions. D) retrieve the model's results from NCEP and pass the exact results along to the public.