The concept of a chemical bond is
A. how two or more atoms are held together.
B. the sharing of nucleons.
C. how much energy it takes to remove an electron from a set of atoms.
D. how two or more electrons reside in an orbital.
E. none of the above
Answer: A
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The rate of groundwater flow is proportional to the
A) recharge and discharge B) the hydraulic gradient and hydraulic conductivity C) confinement of the aquifer D) rate of pumping
The dissolution of the Soviet Union in 1991 resulted in five groups of independent states, Russia and all but which of the following?
A) Baltic States (Estonia, Latvia, Lithuania) B) Russia's western European states (Belarus, Moldova, and Ukraine) C) Russia's central European States (Czechoslovakia, Hungary, and Romania) D) Central Asian states (Kazakhstan, Kyrgyzstan, Tajikistan, Uzbekistan, Turkmenistan) E) Caucasus states (Azerbaijan, Armenia, Georgia)
The difference between a rock and a mineral is that
A. rocks are harder than minerals. B. rocks are composed of minerals. C. rocks can be of a wider variety of origins than minerals. D. rocks are inorganic but minerals are organic. E. rocks are cycled over geologic time but minerals are not.
Complete the concept map by selecting the best response for the question numbers listed.
Complete the concept map by selecting the best response for question number 4.
A. Crust B. Lithosphere C. Mantle