The development of similar characteristics in separate but closely related organisms is called
____________. Fill in the blank(s) with the appropriate word(s).
parallel evolution
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Uranium fuel is ________ before it can be put into a reactor.
A. Produced by bombarding it with electrons from radioactive plutonium B. Extensively processed to clean and purify it C. Extensively processed in order to change it to a safer form D. Found in concentrated form in the Earth and then washed E. None of these is correct
Plate tectonic processes have influenced:a
the distribution of earthquakes and volcanoes. b. the locations of ore deposits and mountain systems. c. climatic patterns and ocean circulation. d. the geographic distribution, evolution, and extinction of life forms. e. all of these
Oil became a major resource with the diffusion of motor vehicles early in the 1800s
Indicate whether the statement is true or false.
Which of the following contains calcium carbonate (CaCO3)?
A) Diatoms B) Foraminiferans C) Glauconite D) Phosphorites E) Radiolarians