Recent measurements shown the European and North American plates to be moving apart at about ____ per year.
A ) two kilometers
B ) two centimeters
C ) two miles
D ) twenty three centimeters
B ) two centimeters
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The carbohydrates found in the cell membrane function in
A. cell recognition, the ability to distinguish one type of cell from another. B. controlling the chemical reactions that occur in cells. C. controlling transport in and out of cells. D. none of the above
The anthropoids had appeared in the fossil record by the late Eocene. Indicate whether the statement is true or false
In some instances a single mineral, a ________, suffices for determination of the pressure and temperature under which a metamorphic rock formed.
A. metamorphic pressure-temperature mineral B. metamorphic index mineral C. metamorphic key mineral D. metamorphic trace mineral E. metamorphic mica mineral
Mercury is so toxic in all its forms that it is no longer used except as a poison, as in fungicides.
Answer the following statement true (T) or false (F)