What do satellites measure that provides data for seafloor topographical mapping?
a. "Pings" reflected from seabed
b. Sea surface height
c. Sound pulses from ships
d. Seawater density
e. Wave energy
b
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A ________ is a structure designed to protect boats from large breaking waves by creating a quiet-water zone near shore.
a. breakwater b. tombolo c. groin d. tidal flat e.barrier island
A(n) ____ is an example of an erosional landform found in deserts
A)dune B)alluvial fan C)mesa D)bajadas E)playa
What is Earth System Science?
• The study of the entire planet as a system of interrelated components • The study of the atmosphere • The study of population growth on Earth • The study of physical systems on Earth's surface
Which of the following must be present in a population in order for natural selection to occur?
a. Elevated birth rate b. Genetic variation c. Geographic isolation d. Equal numbers of males and females