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Question
- you are visiting an ocean beach. what determines the width of the shore?
- is the continental rise part of the continental plate? explain.
- what is the average
Question 5
The width of the shore (intertidal zone) is determined by tidal range (difference between high and low tide), wave energy (erosion/deposition), sediment supply (sand, silt availability), and coastal geology (rock type, slope). Tides control water level fluctuations; waves shape the shoreline; sediment affects buildup/erosion; geology influences resistance to erosion.
The continental rise is part of the continental plate. The continental plate includes the continental shelf, continental slope, and continental rise. The continental rise is a wedge - shaped deposit of sediment at the base of the continental slope, formed by sediment transport (e.g., turbidity currents) from the continental shelf and slope. It is a transitional zone between the continental and oceanic plates, but geologically, it is considered part of the continental margin (and thus the continental plate) as it is composed of continental - derived sediments and is structurally related to the continental landmass.
The average depth of the continental shelf is about 130 meters (or 426 feet). Continental shelves are the submerged edges of continents, and most are relatively shallow, with depths generally less than 200 meters, and the average falls around 130 meters.
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The width of the shore (intertidal zone) is determined by the tidal range (difference between high - and low - tide levels), wave energy (which affects erosion and deposition), the supply of sediment (such as sand and silt that can build up or be eroded), and the coastal geology (e.g., the type of rock and the slope of the coastal land).