Electromagnetic waves are made up of
A. particles of light energy.
B. oscillating electric and magnetic fields.
C. high-frequency sound waves.
D. compressions and rarefactions of electromagnetic pulses.
Answer: B
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Volumetrically, the two principal sources of solid waste in the United States are wastes from livestock and from
A. municipalities. B. growing crops. C. mineral extraction and processing. D. industry.
Over the last forty years, men's dress shirt manufacture for the American market has migrated around the world. The first country to engage in this activity was
A) Hong Kong. B) Taiwan. C) Japan. D) Bangladesh. E) Costa Rica.
When designing roads, bridges, and buildings, it is possible to save large amounts of money on initial construction costs by considering only smaller floods, but in the long run, it is commonly cheaper to build with large floods in mind.
Answer the following statement true (T) or false (F)
Water not found in oceans accounts for ________ percent of the world's total water
A) 0.25 B) 2.8 C) 28 D) 56 E) 74