What type of current occurs as a tide crest approaches an enclosed area?
a. ebb current
b. flood current
c. slack water
d. tidal influx
e. neap current
ANSWER: b
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According to Figure 3.4, what is the magnetic declination between:
a) True north and magnetic north (MN)? _______________________ b) True north and grid north (GN)? _______________________
The changes in Indonesia's population pyramid over time indicate
A. that life expectancies have not changed in recent decades. B. a clear preference for male babies. C. that the total fertility rate is decreasing. D. a sudden drop in population during the Vietnam War era.
What is a key source of ions found in ocean water?
A) The ions are produced in the process of evaporation of ocean water. B) The ions originate from marine organisms that have decomposed on the bottom of the ocean. C) The ions originate from salts contained in rainwater. D) The ions originate from the weathering of rocks on land.
Sedimentary structures are features found in sedimentary rocks that provide clues that help interpret their transport and deposition.
Answer the following statement true (T) or false (F)