The terms "ebb" and "low" pertain to ________.
A. low- and high-water stands
B. the direction of the tidal current flow
C. outgoing and incoming tides and the direction of the tidal current flow
D. outgoing and incoming tides
E. low- and high-water stands, outgoing and incoming tides, and the direction of the tidal current flow
Answer: C
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Based on atomic size, which would you expect to be more soluble in water: helium, He, or nitrogen, N2?
A. Since He atoms are smaller, more of them can fit into solution, so it has a higher solubility in water. B. Although He is smaller, its outer orbital is filled and the atom will have little attraction to the water molecules. C. Nitrogen atoms are bigger and so nitrogen molecules should be more soluble in water due to greater dipole-induced dipole attractions. D. He atoms are bigger and so helium molecules should be more soluble in water due to greater dipole-induced dipole attractions.
Plastic deformation results in
A) a return to the original shape of the rock once the pressure is released B) fractures, such as joints and faults C) permanent change in shape of the rocks D) increased rock temperature and, thus, increased metamorphism
Which is NOT a potentially harmful air pollutant created by wildfires?
a. dihydrogen oxide b. nitrogen oxides c. carbon monoxide d. hydrocarbons e. ozone
What is the status of water policy in the United States? Cite some key issues that should be addressed by any new initiatives to establish a national water policy
What will be an ideal response?