What is the minimum time that spent nuclear fuel rods must be stored?
A. 10,000 years
B. 1 million years
C. 10 years
D. 100 years
Answer: A
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Which of the following would be the most appropriate unit to measure the diameter of an ant's leg?
A) Gm B) m C) cm D) mm
What happens to the properties of elements across any period of the periodic table?
A. The elements get much larger in size because of the addition of more protons and electrons. B. The elements tend to become more metallic in nature since they are increasing in atomic number. C. The properties of the elements gradually change across any period of the periodic table. D. All of the above are true.
Which of the following is the definition of pH?
A) 1 x 10^pH B) log[H3O+] C) -log[H3O+] D) none of these
Typical ocean waves have wavelengths of ________ meters
A) 0.01 to 0.5 B) 0.5 to 20 C) 10 to 200 D) 200 to 1000