What is a beach? Define the term and describe features and processes that may bound the limits of a beach
A beach is a zone of loose particles that covers part or all of a shore; a beach is also a type of depositional coast. There are landward and seaward limits to beaches. Vegetation, a sea cliff, sand dunes, or construction such as a seawall may characterize the landward limits of a beach. The seaward limit occurs where sediment movement onshore and offshore ceases. Beaches are built by wave action, particle size, and beach permeability.
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This globe from the atmospheric moisture investigation shows specific humidity, with blue and green being highest. What feature most likely coincides with the area of highest specific humidity?
A) The Intertropical Convergence Zone (ITCZ)
B) The subtropics
C) The belt of westerlies
D) The polar easterlies
This symbol on a station model indicates light rain
A) two black dots side by side B) three asterisks at the vertices of an equilateral triangle C) a triangle enclosing a black dot D) an asterisk over a downward-pointing triangle
Which of these African countries produces about half of the GNI of the United States?
A) Nigeria B) South Africa C) Zimbabwe D) none of these
Surface currents extend to what depth in the ocean?
a. 100 meters (330 feet) b. 200 meters (660 feet) c. 400 meters (1,300 feet) d. 10 meters (33 feet)