What is the fastest-growing alternative power source to oil?
A) ?geothermal
B) ?solar
C) ?wind
D) ?waves, currents, and tides
C
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Snow measurement:
A) is best done with a rain gauge. B) usually involves estimating the water content of snow. C) can only be measured by human beings. D) uses the same instruments as does rain measurement.
What sector no longer has a significant presence in the central business district (CBD)?
A) finance B) transportation networks C) government D) manufacturing E) other business services such as advertising, journalism, and law
The modulus ratio used in engineering classification of rocks can be expressed as:
a. the ratio of tangent modulus at 50 percent strength to unconfined compressive strength b. the ratio of the unconfined compressive strength to tangent modulus at 50 percent strength c. the ratio of tangent modulus at 50 percent strength to shear strength d. the ratio of shear strength to tangent modulus at 50 percent strength
Which of the following statements regarding seals is correct?
A) Their tusks are used for hauling themselves onto icebergs. B) They can move around on land very well resembling speedy caterpillars. C) They have large prominent front flippers. D) They have prominent claws that extend from their fore flippers. E) They have prominent ear flaps.