Which of the following statements best describes an element?
A) a material consisting of only one type of atom
B) a material that is pure
C) a material that has consistent physical properties
D) a material with more than one type of atom
E) a material that has consistent chemical properties
A
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For most people living in developed countries, their greatest exposure to radiation is from
A) the natural environment. B) dental X-rays. C) X-rays of the bones of the body. D) exposure to any sort of fossil fuels.
Salt wedging is a weathering process that is more common in humid areas than arid
Indicate whether this statement is true or false.
The International Court of Justice is located in
A. London B. Paris C. Brussels D. The Hague
Cities in developing countries have been shrinking as millions of people emigrate out in search of work
Indicate whether the statement is true or false.