Describe the process of wave motion
What will be an ideal response?
Friction between wind and the ocean surface generates undulations in the water, called waves. These waves travel in groups called wave trains. A stormy sea can be a generating region for large wave trains, which radiate outward in all directions. In open water, only a slight amount of water is actually advancing in a wave. Instead, wave energy is moving through the flexible medium of water. The water within a wave in the open ocean is transferring energy from molecule to molecule in cyclic undulations called waves of transition (not directly mentioned in Geosystems Core). As water approaches the shoreline and enters shallower water, the orbiting water particles are vertically restricted, causing elliptical, flattened orbits of water particle to form near the bottom. The result is closed-spaced waves, growing in height and steepness until the height exceeds vertical stability and the wave falls in a "breaker."
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A) till B) drumlin C) esker D) arête
Which pairing of terms and definitions is INCORRECT?
A) Fatwa - Religious decree B) Jihad - Suicide C) Boko Haram - Western education is forbidden D) al-Qaeda - The Foundation E) Taliban - Religious Students
Sea level rose 1 foot in the 20th century. It is expected to rise again by ________ in the 21st century.
A. 1.0 to 1.5 feet B. 2.0 or more feet C. at least 8 feet D. 6 inches to 1 foot E. 6 inches or less
Mass wasting
A. is the movement of material by wind. B. is the movement of material (rock or soil) down slope due to gravity. C. is a formal term for the weathering of rock masses. D. represents the process of lava flow.