A covalent bond is associated with which of the following?
A) interactions between nuclei
B) the sharing of electrons
C) the transfer of electrons
D) all of these
B
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Where on the map is the center of high pressure influencing ocean currents with a counterclockwise circulation?
A) A
B) B
C) C
D) D
Unlike fossil fuels, solar energy is considered nonpolluting because the chemical and radioactive products of solar fusion
A) stay near the sun. B) are destroyed in Earth's atmosphere. C) would be produced on Earth anyway. D) quickly break down when they strike the Earth's soil.
Let's make an analogy between the candies left in the bag and a fractionally crystallizing magma. If a crystallizing magma progressively became more enriched in Si (silicon) and depleted in Mg (magnesium),
which color in the candy bag would represent Si in the magma? a) Red represents Si b) Yellow represents Si
What is the main geologic feature for which Siccar Point in Scotland is famous?
A. a boundary between steep gray layers below and gently dipping red layer above B. an ancient erosion surface C. an unconformity D. All of these choices are correct. E. None of these choices are correct.