The element uranium (U, atomic no. = 92) often has 146 (or more) neutrons, but it will still undergo radioactive decay. Which statement might best describe why?
A. The force is strong with U, but tainted with the dark side it is.
B. The attractive force of the nucleons has a limited range.
C. The isolated neutron is not stable and will undergo spontaneous transformation into a proton and an electron.
D. both A and B
E. none of the above
Answer: D
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Answer the following statement true (T) or false (F)
Which of the following happened to form the features in this region?
A. continental rifting B. formation of a continental hot spot C. volcanism that produced new land D. seafloor spreading E. All of these.
Temperature and precipitation are the most important elements in describing a climate because ________
A) they are what controls our climate B) they are the major indicators of what is happening in the biosphere C) they are the elements that have the greatest impact on humans D) they are the elements that have the greatest impact on the hydrosphere E) they are the major indicators of what is happening in the atmosphere
The residents of Hong Kong, China are exposed to a lot of English especially because
A) it is an easier language to speak and understand. B) all television programming is in English. C) it was until recently a British colony. D) many Australian tourists visit each year. E) None of these explanations is correct.