Which of the following elements is the most stable from a nuclear point of view?
A. argon
B. iron
C. uranium
D. hydrogen
E. All are equally stable.
Answer: B
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How is ozone produced in the upper atmosphere?
A. It diffuses from the lower atmosphere. B. It forms by reaction of oxygen molecules with UV light. C. It forms by nuclear decomposition of oxygen. D. It forms by the reaction of nitric dioxide and oxygen. E. all of the above
GIS stands for:
A. geodetic information system B. geographic information system C. global information system D. geometric information sequence
Explain the concept of isostatic rebound, and cite evidence for rebound that has occurred since the end of the
Pleistocene. What will be an ideal response?
The law of conservation of energy states that energy is created or destroyed under ordinary conditions, but it may not be changed from one form to another
Indicate whether the statement is true or false.