A) a thin layer, about 100 m or less. B) organic substances rain down from the photic zone. C) where plants receive enough light to photosynthesize. D) all of these. A) a thin layer, about 100 m or less. B) organic substances rain down from the photic zone. C) where plants receive enough light to photosynthesize. D) all of these.

Exam 16: Oceans, Shorelines, and Shoreline Processes

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Briefly explain what the effects of rising sea level are on the barrier islands along the United States coastlines,and why coastal communities are concerned.

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Rising sea levels cause erosion,shoreward migration of barrier islands,and even submergence of barrier islands.This is of concern because so many expensive properties are located on barrier islands,and barrier islands protect the mainland from erosion and flooding and are a part of the natural coastal wetland habitat.

What are some depositional features of shorelines?

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beaches,spits,baymouth bars,barrier islands

What three factors interact to create rip currents?

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wave refraction,longshore currents,and surf zone backwash

Why are waves in ponds and lakes smaller than those in oceans?

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Question 4

Nearly all beach sand is quartz.

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Question 5

The aphotic zone is

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Question 6

The apparent deflection of a moving object from its anticipated course resulting from Earth's rotation is called _ _.

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Question 7

How are most waves generated?

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Question 8

Vertical ocean circulation,in which water moves from deep to shallow,is called

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Question 9

Briefly explain how a tombolo forms.

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Question 10

The bending of waves toward shore as they approach from an oblique angle is called wave ____________________.

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Question 11

What options do geologists and engineers have in combating the effects of rising sea level?

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Question 12

The amount of oil from U.S.production that comes from the Gulf of Mexico is

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Question 13

If hydraulic action and abrasion undercut headlands,structures known as may form.When these join they form a(n),which might later collapse to give a(n).

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Question 14

What is wave base,and how deep is it?

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Question 15

A beach with a small berm,coarser sediment,and offshore sand bars is a(n)____.

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Question 16

The saltiness of seawater has been a state of dynamic equilibrium for at least 1.5 billion years.

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Question 17

How does wave behavior on lakes differ from that of seas?

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Question 18

What caused the bulk of the damage that was done by Hurricane Katrina to the City of New Orleans? Why was New Orleans so vulnerable?

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Question 19

What is a coast that is straight and has marine terraces called?

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Question 20

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Exam 16: Oceans, Shorelines, and Shoreline Processes

Briefly explain what the effects of rising sea level are on the barrier islands along the United States coastlines,and why coastal communities are concerned.

What are some depositional features of shorelines?

What three factors interact to create rip currents?

Why are waves in ponds and lakes smaller than those in oceans?

Nearly all beach sand is quartz.

The aphotic zone is

The apparent deflection of a moving object from its anticipated course resulting from Earth's rotation is called _______ _______.

How are most waves generated?

Vertical ocean circulation,in which water moves from deep to shallow,is called

Briefly explain how a tombolo forms.

The bending of waves toward shore as they approach from an oblique angle is called wave ____________________.

What options do geologists and engineers have in combating the effects of rising sea level?

The amount of oil from U.S.production that comes from the Gulf of Mexico is

If hydraulic action and abrasion undercut headlands,structures known as ____________________ may form.When these join they form a(n)____________________,which might later collapse to give a(n)____________________.

What is wave base,and how deep is it?

A beach with a small berm,coarser sediment,and offshore sand bars is a(n)____.

The saltiness of seawater has been a state of dynamic equilibrium for at least 1.5 billion years.

How does wave behavior on lakes differ from that of seas?

What caused the bulk of the damage that was done by Hurricane Katrina to the City of New Orleans? Why was New Orleans so vulnerable?

What is a coast that is straight and has marine terraces called?

Understanding Earth: A Dynamic and Evolving Planet

Plate Tectonics: A Unifying Theory

Minerals The Building Blocks of Rocks

Igneous Rocks and Plutons

Volcanoes and Volcanism

Weathering, Erosion, and Soil

Sediment and Sedimentary Rocks

Metamorphism and Metamorphic Rocks

Earthquakes and Earth's Interior

Deformation,Mountain Building,and Earth's Crust

Mass Wasting

Running Water Streams and Rivers

Groundwater

Glaciers and Glaciation

The Work of Wind and Deserts

Geologic Time: Concepts and Principles

Organic Evolution The Theory and Its Supporting Evidence

Precambrian Earth and Life History

Paleozoic Earth History

Paleozoic Life History

Mesozoic Earth and Life History

Cenozoic Earth and Life History

Geology in Perspective

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The apparent deflection of a moving object from its anticipated course resulting from Earth's rotation is called _ _.

If hydraulic action and abrasion undercut headlands,structures known as may form.When these join they form a(n),which might later collapse to give a(n).