Question 1

The percentage of the Earth's water that is fresh water that is not frozen is:

Accepted Answer

A) 5%. 
B) 3%. 
C) 1%. 
D) 0.65%. 
E) 0.01%. 
A) 5%. 
B) 3%. 
C) 1%. 
D) 0.65%. 
E) 0.01%. D

Question 2

Why does the velocity of a stream generally increase downstream even though the gradient decreases?

Accepted Answer

Velocity generally increases downstream because channels are generally smoother downstream and because stream volume tends to increase as more tributaries enter downstream.

Question 3

If boulders are deposited high along the sides of a river bed we can concude that the stream was once much higher than it is today.

Accepted Answer

A) True 
 B)False  False

Question 4

The ultimate base level for a stream is:

Accepted Answer

A) sea level. 
B) the nearest lake. 
C) the nearest stream. 
D) the nearest spring. 
E) the nearest valley. 
A) sea level. 
B) the nearest lake. 
C) the nearest stream. 
D) the nearest spring. 
E) the nearest valley.

Question 5

How do oxbow lakes form?

Accepted Answer

Oxbow lakes are cuto

Question 6

Former meanders that have been cut off from the stream are called ____________________.

Accepted Answer

The answer of Former meanders that have been cut off...

Question 7

When flow is restricted to long,troughlike depressions,the flow is known as ____________________ flow.

Accepted Answer

The answer of When flow is restricted to long,troughlike depressions,the...

Question 8

Briefly explain the trade-offs that accompany any flood control project.

Accepted Answer

The obvious benefits of controlling floo

Question 9

Ridges of alluvium left along a stream's margins by repeated deposition during floods are called ____________________.

Accepted Answer

The answer of Ridges of alluvium left along a stream's...

Question 10

Streams of rivers possess two kinds of energy.Potential energy is the energy of:

Accepted Answer

A) water molecules. 
B) position. 
C) gravity. 
D) motion. 
E) channeling. 
A) water molecules. 
B) position. 
C) gravity. 
D) motion. 
E) channeling.

Question 11

Dissolved load is the:

Accepted Answer

A) invisible load of a stream. 
B) abrasive load of a stream. 
C) suspended load of a stream. 
D) invisible and abrasive load of a stream. 
E) abrasive and suspended load of a stream. 
A) invisible load of a stream. 
B) abrasive load of a stream. 
C) suspended load of a stream. 
D) invisible and abrasive load of a stream. 
E) abrasive and suspended load of a stream.

Question 12

In the hydrologic cycle,what happens to the precipitation that falls on the land?

Accepted Answer

It becomes runoff,it

Question 13

The gradient of streams tends to be ____________________ in their upper reaches and ____________________ in their lower reaches.

Accepted Answer

The answer of The gradient of streams tends to be...

Question 14

The percentage of Earth's water that is in the oceans is:

Accepted Answer

A) 100%. 
B) 97%. 
C) 93%. 
D) 55%. 
E) 50%. 
A) 100%. 
B) 97%. 
C) 93%. 
D) 55%. 
E) 50%.

Question 15

The renewal of erosion that results in creation of stream terraces is generally attributed to a change in ____________________ level,or a change in climate resulting in greater ____________________,and thus,discharge.

Accepted Answer

The answer of The renewal of erosion that results in...

Question 16

Since levees can protect many areas during floods,why are they controversial?

Accepted Answer

In addition to being expensive

Question 17

What causes a delta to form?

Accepted Answer

The stream's velocity decrease

Question 18

A change in base level leading to formation of stream terraces can come about by ____________________ of the land over which the stream flows,or a(n)____________________ of sea level.

Accepted Answer

The answer of A change in base level leading to...

Question 19

What are the three types of beds characteristically exhibited by a prograding delta?

Accepted Answer

Bottomset

Question 20

What evidence reveals that water may once have been abundant on Mars?

Accepted Answer

Images from spacecraft show ar

The percentage of the Earth's water that is fresh water that is not frozen is:

Why does the velocity of a stream generally increase downstream even though the gradient decreases?

If boulders are deposited high along the sides of a river bed we can concude that the stream was once much higher than it is today.

The ultimate base level for a stream is:

How do oxbow lakes form?

Former meanders that have been cut off from the stream are called ____________________.

When flow is restricted to long,troughlike depressions,the flow is known as ____________________ flow.

Briefly explain the trade-offs that accompany any flood control project.

Ridges of alluvium left along a stream's margins by repeated deposition during floods are called ____________________.

Streams of rivers possess two kinds of energy.Potential energy is the energy of:

Dissolved load is the:

In the hydrologic cycle,what happens to the precipitation that falls on the land?

The gradient of streams tends to be in their upper reaches and in their lower reaches.

The percentage of Earth's water that is in the oceans is:

The renewal of erosion that results in creation of stream terraces is generally attributed to a change in level,or a change in climate resulting in greater ,and thus,discharge.

Since levees can protect many areas during floods,why are they controversial?

What causes a delta to form?

A change in base level leading to formation of stream terraces can come about by of the land over which the stream flows,or a(n) of sea level.

What are the three types of beds characteristically exhibited by a prograding delta?

What evidence reveals that water may once have been abundant on Mars?

Understanding Earth: A Dynamic and Evolving Planet

Plate Tectonics: A Unifying Theory

Minerals: The Building Blocks of Rocks

Igneous Rocks and Intrusive Igneous Activity

Volcanoes and Volcanism

Weathering, Soil, and Sedimentary Rocks

Metamorphism and Metamorphic Rocks

Earthquakes and Earths Interior

Deformation, Mountain Building, and the Continents

Mass Wasting

Groundwater

Glaciers and Glaciation

The Work of Wind and Deserts

Oceans, Shorelines, and Shoreline Processes

Geologic Time: Concepts and Principles

Earth History

Life History

Filters

Exam 11: Running Water

The percentage of the Earth's water that is fresh water that is not frozen is:

Why does the velocity of a stream generally increase downstream even though the gradient decreases?

If boulders are deposited high along the sides of a river bed we can concude that the stream was once much higher than it is today.

The ultimate base level for a stream is:

How do oxbow lakes form?

Former meanders that have been cut off from the stream are called ____________________.

When flow is restricted to long,troughlike depressions,the flow is known as ____________________ flow.

Briefly explain the trade-offs that accompany any flood control project.

Ridges of alluvium left along a stream's margins by repeated deposition during floods are called ____________________.

Streams of rivers possess two kinds of energy.Potential energy is the energy of:

Dissolved load is the:

In the hydrologic cycle,what happens to the precipitation that falls on the land?

The gradient of streams tends to be ____________________ in their upper reaches and ____________________ in their lower reaches.

The percentage of Earth's water that is in the oceans is:

The renewal of erosion that results in creation of stream terraces is generally attributed to a change in ____________________ level,or a change in climate resulting in greater ____________________,and thus,discharge.

Since levees can protect many areas during floods,why are they controversial?

What causes a delta to form?

A change in base level leading to formation of stream terraces can come about by ____________________ of the land over which the stream flows,or a(n)____________________ of sea level.

What are the three types of beds characteristically exhibited by a prograding delta?

What evidence reveals that water may once have been abundant on Mars?

Understanding Earth: A Dynamic and Evolving Planet

Plate Tectonics: A Unifying Theory

Minerals: The Building Blocks of Rocks

Igneous Rocks and Intrusive Igneous Activity

Volcanoes and Volcanism

Weathering, Soil, and Sedimentary Rocks

Metamorphism and Metamorphic Rocks

Earthquakes and Earths Interior

Deformation, Mountain Building, and the Continents

Mass Wasting

Groundwater

Glaciers and Glaciation

The Work of Wind and Deserts

Oceans, Shorelines, and Shoreline Processes

Geologic Time: Concepts and Principles

Earth History

Life History

Filters

The gradient of streams tends to be in their upper reaches and in their lower reaches.

The renewal of erosion that results in creation of stream terraces is generally attributed to a change in level,or a change in climate resulting in greater ,and thus,discharge.

A change in base level leading to formation of stream terraces can come about by of the land over which the stream flows,or a(n) of sea level.