In what plate tectonic setting are magmas generated predominantly by fluids fluxing the melting process by decreasing melting temperature?
A) transform faults B) spreading ridges
C) hot spots D) convergent plate margins
D
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Which of the following best describes ionic bonding?
A. one atom giving up some of its electrons to another atom B. two atoms exchanging a set of electrons C. two atoms sharing a set of electrons D. when two elements with same charge are held together by electrostatic forces E. none of the above
Many of the luxury hotels along the Gold Coast of Australia are owned by (and cater to)
A) Chinese B) Japanese C) British D) Americans E) Russians
The danger of carcinogens lies in their effect on
A) oxygen-carrying red blood cells. B) the ability of the lining of the lungs to absorb oxygen. C) DNA molecules inside cells. D) the ability to absorb nutrients in the wall of the intestines.
So long as Earth's energy budget is in balance, the climate will ____
a. warm slowly until it reaches a new equilibrium b. keep warming c. stay the same temperature d. keep cooling e. cool slowly until it reaches a new equilibrium