What is the average density of oceanic crust?
A) 2.7 g/cm3
B) 3.0 g/cm3
C) 3.3 g/cm3
D) 5.6 g/cm3
Answer: B
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The Gulf Stream is a warm ocean current that flows from southwest to northeast across the Atlantic
Indicate whether the statement is true or false.
Because the index of refraction varies slightly with wavelength,
A) white light refracts much less than black light. B) white light refracts much more than black light. C) the amount and direction of refraction is exactly the same for all colors of light. D) the amount and direction of refraction is slightly different for different colors of light.
In the Paleozoic Era the North American continent grew westward because of the accumulation of the Cordillera.
Answer the following statement true (T) or false (F)
Which of the following intermolecular forces best describes why nonpolar molecules like gasoline (C8H18 ) have only limited solubility in water?
A) dipole-dipole B) induced dipole-induced dipole C) dipole-induced dipole D) ion-dipole E) Both A and B