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Analyze the Effects of Weathering, Erosion, and Deposition on the Environment in Ecoregions of Texas

Total questions: 144

Worksheet time: 4hrs 35mins

Name
Class
Date
1.

What Catastrophic Event in the panhandle plains causes the most wind erosion?

a)

Hurricanes

b)

Tornadoes

c)

Flooding

d)

Humans

2.

What catastrophic event causes the most most water erosion in the gulf coast?

a)

Hurricanes

b)

Tornadoes

c)

Flash Floods

d)

Earthquakes

3.

Biological weathering is done by . . .

a)

Wind

b)

Water

c)

Living Things

d)

Ice

4.
The following is a picture of which ecoregion?  ___________
a)
Piney Woods
b)
High Plains
c)
Hill Country/Edwards Plateau
d)
Trans Pecos/Chihuahuan Desert
5.
This is a picture of the __________ ecoregion
a)
Hill country/Edwards Plateau
b)

Trans Pecos/Chihuahuan Desert
Trans Pecos/Cg

hihuahuan Desert

c)
High Plains
d)
Piney Woods
6.
This is a picture of the __________ ecoregion of Texas.
a)
High Plains
b)
Gulf Coast Plains and Marshes
c)
Piney Woods
d)
Hill Country
7.
Why would there be less erosion in this ecoregion of Texas?
a)
not enough rain
b)
Tree and plant roots holds onto the soil
8.
At the beach which agent of erosion affects the coast?
a)
Wind
b)
Water
c)
Animals
d)
Gravity
9.
What agent of erosion works to change the way this land looks in this ecoregion?
a)
wind
b)
water
c)
ice/glaciers
d)
gravity
10.
Deltas forming at the mouths of rivers is called?
a)
Weathering
b)
Erosion
c)
Deposition
11.

Includes marshes and swamps, high humidity and warm temperatures. waves cause mechanical weathering. sand dunes, sand bars.

a)

Texas Gulf Coast

b)

High Plains

12.

Mostly short grass, dry and very windy. high elevation, Palo Duro Canyon.

a)

Texas Gulf Coast

b)

High Plains

13.

Gently rolling land, cut by streams and covered by thorny brush. Also known as "Brush Country"

a)

South Texas Plains

b)

Prairie

14.

Includes many types of grasses that prevent erosion. Many parks and lakes, land is gently rolling to hilly

a)

Prairie

b)

Piney Woods

15.

Little erosion due to nutrient rich soil and lots of vegetation.

Trees are the main plant life, lumber industry

a)

Piney Woods

b)

Edward's Plateau

16.

Limestone hills, many streams and springs, shallow soil. Land forms include Enchanted rock

a)

Edward's Plateau

b)

Trans Pecos

17.

High wind erosion due to little vegetation, mountains and desert, little plant life, mostly clay soil

a)

Trans Pecos

b)

Edward's Plateau

18.
The Gulf Prairies and Marshes ecoregion experience significant soil erosion. One would expect the climate in this region to be –
a)
dry and hot.
b)
cold and snowy.
c)
wet and rainy.
d)
warm and humid.
19.
The Brazos River is the longest river in Texas, emptying into the Gulf of Mexico. What type of land formation would you expect to find where the river deposits sediments as it
reaches the Gulf?
a)
A cave
b)
A mountain
c)
A delta
d)
A valley
20.
In Galveston, the beaches are often exposed to hurricanes originating in the Gulf of Mexico. It is reasonable to predict that hurricane activity may...
a)
create new rivers near Galveston
b)
move sand from the beach to offshore sand bars
c)
cause local earthquakes after the storm
d)
create new river deltas along the beaches
21.
Layers of sediment forming at the bottom of the ocean floor
a)
Weathering
b)
Erosion
c)
Deposition
22.
The students watch ocean waves crash on a beach. Which statement describes what will MOST likely happen because of the waves?
a)
Grass on the beach will grow longer.
b)
Sand from the beach will wash away.
c)
Salt from the ocean will be left on the beach.
d)
Currents in the ocean will become stronger.
23.
Which of the following would be the "most effective" action that humans could take to keep a barrier island from washing away?
a)
plant lots of trees, bushes, and grass on the island
b)
limit the number of people that can come onto the island
c)
build a bridge from the island to the mainland
d)
stop building houses and roads on the island
24.
In the Edwards Plateau, the limestone rocks are highly
vulnerable to chemical and physical weathering. Which of the following land formations would be expected in this area?
a)
Canyons
b)
Lakes
c)
Rivers
d)
Caves
25.
The Blackland Prairie ecoregion of Texas has many exposed boulders that are smooth and rounded. What feature of this area caused the boulders to take on these characteristics?
a)
Moving glaciers
b)
Wind-blown sand and rain
c)
Wave and current actions
d)
Deep and rapid rivers
26.
The illustration provided shows exposed layers of
sedimentary rock in the High Plains region of Texas. Which of the following best explains the uneven nature of the exposed rock layers?
a)
Different types of rock weather at different rates when exposed.
b)
Wind speeds vary greatly over time in this region of Texas
c)
An ancient river deposited sediments at different rates over time.
d)
Glacier movement always creates uneven rock formations.
27.
Which of the following describes large areas of ground that fall or flow on slopes due to gravity?
a)
floods
b)
hurricanes
c)
landslides
d)
wildfires
28.
Where are hurricanes most likely to do the most damage?
a)
Near the coast
b)
In the forest
c)
In a desert
d)
On the North Pole
29.
What catastrophic event would be of greatest risk to a grassland?
a)
hurricane
b)
flood
c)
tsunami
d)
wildfire
30.
What catastrophic event results in destruction along a narrow path?
a)
a volcanic eruption
b)
a tsunami
c)
a hurricane
d)
a tornado
31.
What catastrophic event can be caused by thunderstorms?
a)
a wildfire
b)
a tsunami
c)
a volcanic eruption
d)
a drought
32.
Another name for a hurricane in the Indian Ocean
a)
Tornado
b)
Tsunami
c)
Typhoon
d)
Blizzard
33.
What is the major cause of weathering and erosion to form canyons?
a)
wind
b)
ice
c)
glaciers
d)
moving water
34.
The process of breaking up rocks on Earth's surface is called...
a)
sediment
b)
erosion
c)
weathering
d)
deposition 
35.
How does freezing water cause the weathering of rocks?  The freezing water—
a)
keeps the rocks in place
b)
makes the rocks last longer
c)
expands in the cracks and breaks rocks
d)
causes rocks to fall in landslides
36.
This is a picture of the _________ ecoregion of Texas.
a)
Hill Country/Edwards Plateau
b)
Piney Woods
c)
Gulf Coast Plains and Marshes
d)
High Plains
37.
This is a picture of the __________ ecoregion of Texas.
a)
High Plains
b)
Gulf Coast Plains and Marshes
c)
Piney Woods
d)
Hill Country
38.
This is a picture of the ___________ ecoregion of Texas.
a)
Hill country/Edwards Plateau
b)
High Plains
c)
Trans Pecos/Chihuahuan Desert
d)
Piney Woods
39.
This is a picture of what ecoregion in Texas?
a)
High Plains
b)
Piney Woods
c)
Gulf Coast Plains and Marshes
d)
Trans Pecos/Chihuahuan Desert
40.
The Gulf Prairies and Marshes ecoregion experiences significant soil erosion. One would expect the climate in this region to be –
a)
dry and hot.
b)
cold and snowy.
c)
wet and rainy.
d)
warm and humid.
41.
The tall rock formations with smooth surfaces in Big Bend
National Park were formed over time by -
a)
rock deposition.
b)
water erosion.
c)
local vegetation.
d)
wind weathering.
42.
Canyons are formed by -
a)
earthquakes breaking rock layers apart.
b)
wind smoothing out rock formations.
c)
lava flowing from nearby volcanoes.
d)
rivers carrying sediments that weather and erode land.
43.

The Edwards Plateau has limestone and granite that go through oxidation and rust. What type of weathering is this?

a)

Physical Weathering

b)

Chemical Weathering

c)

Biological Weathering

d)

Mechanical Weathering

44.

Caves, sinkholes, cenotes and aquifers go through mechanical weathering by being underground rivers. What kind of weathering changes the composition of materials?

a)

Physical Weathering

b)

Chemical Weathering

c)

Biological Weathering

45.

Salt erosion is what type of weathering?

a)

Physical

b)

Chemical

46.

The barrier islands off of the Texas Gulf Coast were made through. . .

a)

Wind Erosion

b)

Wave Erosion of sand sediment

c)

River Delta deposition

d)

All of these are correct

47.

What is the major problem with many ecoregions?

a)

Habit Loss & Land Fragmentation

b)

Pollution

c)

Bad Agriculture, ranching, logging, mining, fracking & oil drilling practices

d)

All of these are correct

48.

What can you do to help prevent erosion in your yard?

a)

Plant native grasses and trees

b)

Plant invasive species

c)

Mow the grass every week

d)

All of these are correct

49.

Which ecoregion sits upon the the Edwards Plateau?

a)

Llano Uplift

b)

High Plains

c)

Trans-Pecos

d)

Post Oak Savannah

50.

Which ecoregion(s) are located in tornado alley?

a)

High Plains

b)

Rolling Plains

c)

Blackland Prairie

d)

All of these are correct

51.

Which ecoregion is dominated by tall pine trees?

a)

East Texas Piney Woods

b)

Post Oak Savannah & Cross Timbers

c)

Blackland Prairie

d)

All of these are coorect

52.

The breaking down of rock by wind, water, ice, gravity or other rocks is called . . .

a)

Physical Weathering

b)

Chemical Weathering

c)

Biological Weathering

d)

Mechanical Weathering

53.

When sediments stop moving or lay down . . .

a)

Erosion

b)

Weathering

c)

Deposition

d)

All of these are correct

54.

When sediment is broken down by a plant, animal or living thing. . .

a)

Physical Weathering

b)

Chemical Weathering

c)

Biological Weathering

d)

All of these are correct

55.
Which ecoregion of Texas is most likely to be most affected by wind erosion creating sand dunes and does receive rain, it can lead to flash floods, which can weather and erode the rocks and sediment.
a)
Region 4 Gulf Coast Prairies and Marshes
b)
Region 7 Edwards Plateau
c)
Region 10 High Plans
d)
Region 11 Trans Peco
56.
What forms both valleys and canyons?
a)
glaciers
b)
rivers
c)
wind
d)
tides
57.
Muddy water being carried away by a fast-moving river
a)
Weathering
b)
Erosion
c)
Deposition 
58.
Flood water pounding against a canyon wall and wearing it down
a)
Weathering
b)
Erosion
c)
Deposition
59.
Rain washing away soil from a hillside
a)
Weathering
b)
Erosion
c)
Deposition
60.
The best method to prevent erosion is to
a)
remove all trees
b)
build homes
c)
grow plants
d)
mine
61.
How can a city help prevent water pollution in nearby lakes and rivers?
a)
Remove weeds growing near the lakes and rivers.
b)
Prevent runoff of waste materials into lakes and rivers.
c)
Use solar cells as a source of energy.
d)
Recycle paper and cardboard.
62.
Which regions have the richest soil?
a)
Coastal Plains
b)
Great Plains
c)
Mountains and Basins
d)
North Central Plains
63.
Water flows from lower to higher elevations.
a)
True
b)
False
64.
_____________ includes rivers, creeks, lakes, and streams.  
a)
Surface water
b)
Ground water
65.
At which two locations in this stream is deposition normally dominant over erosion? 
a)
A and D
b)
B and E
c)
C and E
d)
D and C
66.
Plants prevent soil erosion by-
a)
holding dirt in place with their roots
b)
providing food for herbivores
c)
the process of photosynthesis
d)
releasing water into the atmosphere through transpiration
67.
A working unit of living and non-living things
a)
ecosystem
b)
estuary
c)
wetland
d)
divide
68.
Most water pollution is the result of __________________.
a)
natural processes
b)
animal waste
c)
human activities
d)
acid rain
69.
What is the low areas between hills, often with a river running through it?
a)
Watershed
b)
Valley
c)
Canyon
d)
Delta
70.

This is a picture of the __________ ecoregion

a)

Hill country/Edwards Plateau

b)

Trans Pecos

c)

High Plains

d)

Piney Woods

71.
Rain washing away soil from a hillside
a)
Weathering
b)
Erosion
c)
Deposition
72.
Flood water pounding against a canyon wall and wearing it down
a)
Weathering
b)
Erosion
c)
Deposition
73.
Waves dropping sand on the beach
a)
Weathering 
b)
Erosion
c)
Deposition
74.

Why would there be less erosion in this ecoregion of Texas?

a)

not enough rain so the soil isn't washed away

b)

Tree and plant roots holds onto the soil

c)

tree and plant roots absorb the rain

d)

This ecoregion is one of the wettest

75.

At the beach, which agents of erosion affect the coast the most?

a)

Wind and animals

b)

Water and gravity

c)

Animals and wind

d)

water and wind

76.

Why would there be less erosion in this ecoregion of Texas?

a)

not enough rain so the soil isn't washed away

b)

Tree and plant roots holds onto the soil

c)

tree and plant roots absorb the rain

d)

This ecoregion is one of the wettest

77.

Deltas forming at the mouths of rivers is an example of...?

a)

Weathering

b)

Erosion

c)

Deposition

78.
What is the agent of erosion in this ecoregion of Texas?
a)
wind
b)
water
c)
gravity
d)
waves
79.
The Brazos River is the longest river in Texas, emptying into the Gulf of Mexico. What type of land formation would you expect to find where the river deposits sediments as it
reaches the Gulf?
a)
A cave
b)
A mountain
c)
A delta
d)
A valley
80.
This is a picture of the _________ ecoregion of Texas.
a)
Hill Country/Edwards Plateau
b)
Piney Woods
c)
Gulf Coast Plains and Marshes
d)
High Plains
81.

Mostly short grass, dry and very windy. High elevation, Palo Duro Canyon.

a)

Texas Gulf Coast

b)

High Plains

c)

Blackland Prairie

d)

Cross Timbers

82.

Gently rolling land, cut by streams and covered by thorny brush. Also known as "Brush Country." Overgrazing of animals has led to little vegetation.

a)

South Texas Plains

b)

Blackland Prairie

c)

Gulf Coast Marshes and Plains

d)

Post Oak Savannah

83.

Includes many types of grasses that prevent erosion. Many parks and lakes, land is gently rolling to hilly

a)

Blackland Prairie

b)

Piney Woods

c)

High Plains

d)

Trans Pecos

84.

Little erosion due to nutrient rich soil and lots of vegetation.

Trees are the main plant life, lumber industry

a)

Piney Woods

b)

Edward's Plateau

c)

Rolling Plains

d)

South Texas Plains

85.

Limestone hills, many streams and springs, shallow soil. Land forms include caves from chemical weathering and rounded hills.

a)

Edward's Plateau

b)

Trans Pecos

c)

Crosstimbers

d)

Piney Woods

86.

High wind erosion due to little vegetation, mountains and desert, little plant life, mostly clay soil

a)

Blackland prairie

b)

Edward's Plateau

c)

South Texas Plains

d)

Trans Pecos

87.

This is an example of . . .

a)

Physical Weathering

b)

Chemical Weathering

c)

Biological Weathering

d)

Biochemical Weathering

88.

What type of weathering is this? This is an underground cave.

a)

Physcial

b)

Mechanical

c)

Chemical

d)

Biological

89.

What type of weathering is this?

a)

Physical

b)

Chemical

c)

Biological

d)

All of these are correct

90.

Rocks in a river get smoother due to . . .

a)

Weathering done by the current of the river

b)

Erosion due to fast moving water

c)

Physical weathering

d)

All of these are correct

91.

Rocks are broken into smaller sediments by . . .

a)

Erosion

b)

Deposition

c)

Weathering

d)

All of these are correct

92.

Deltas form at the end of rivers due to the slowing down of water which causes . . .

a)

Erosion

b)

Deposition

c)

Weathering

d)

None of these are correct

93.

Little erosion due to nutrient rich soil and lots of vegetation.

Trees are the main plant life, lumber industry

a)

Piney Woods

b)

Edward's Plateau

c)

Rolling Plains

d)

South Texas Plains

94.

Limestone hills, many streams and springs, shallow soil. Land forms include caves from chemical weathering and rounded hills.

a)

Edward's Plateau

b)

Trans Pecos

c)

Crosstimbers

d)

Piney Woods

95.

High wind erosion due to little vegetation, mountains and desert, little plant life, mostly clay soil

a)

Blackland prairie

b)

Edward's Plateau

c)

South Texas Plains

d)

Trans Pecos

96.
The tall rock formations with smooth surfaces in Big Bend
National Park were formed over time by -
a)
rock deposition.
b)
water erosion.
c)
local vegetation.
d)
wind weathering.
97.

Includes marshes and swamps, high humidity and warm temperatures. waves cause mechanical weathering. sand dunes, sand bars.

a)

Texas Gulf Coast

b)

High Plains

98.

Mostly short grass, dry and very windy. high elevation, Palo Duro Canyon.

a)

Texas Gulf Coast

b)

High Plains

99.

Gently rolling land, cut by streams and covered by thorny brush. Also known as "Brush Country"

a)

South Texas Plains

b)

Prairie

100.

Includes many types of grasses that prevent erosion. Many parks and lakes, land is gently rolling to hilly

a)

Prairie

b)

Piney Woods

101.

Little erosion due to nutrient rich soil and lots of vegetation.

Trees are the main plant life, lumber industry

a)

Piney Woods

b)

Edward's Plateau

102.

Limestone hills, many streams and springs, shallow soil. Land forms include Enchanted rock

a)

Edward's Plateau

b)

Trans Pecos

103.

High wind erosion due to little vegetation, mountains and desert, little plant life, mostly clay soil

a)

Trans Pecos

b)

Edward's Plateau

104.

The process that breaks down rocks and other materials on Earth's surface is called

a)

weathering

b)

erosion

c)

soil conservation

d)

decomposition

105.
What is mechanical weathering?
a)
Process through which rocks are physically broken into smaller pieces.
b)
Rocks are broken down through chemical changes.
c)
Rocks are worn away from acid in plant roots.
d)
Rocks broken down by machinery.
106.
How does freezing water cause the weathering of rocks?  The freezing water—
a)
keeps the rocks in place
b)
makes the rocks last longer
c)
expands cracks and breaks rocks
d)
causes rocks to fall in landslides
107.
Waves dropping sand on the beach
a)
Weathering 
b)
Erosion
c)
Deposition
108.
Wind blowing sand from one location to another
a)
Weathering
b)
Erosion
c)
Deposition
109.
Flood waters moving soil from one location to another
a)
Weathering
b)
Erosion
c)
Deposition
110.
Wind blasting sand at rock and carving out arches
a)
Weathering
b)
Erosion
c)
Deposition
111.
What is the major cause of weathering and erosion to form canyons?
a)
wind
b)
ice
c)
glaciers
d)
moving water
112.
What is the correct order of the processes?
a)
they all happen at the same time
b)
erosion, weathering, deposition
c)
weathering, erosion, deposition
d)
weathering, deposition, erosion
113.
What is the small broken down pieces of rock called?
a)
dirt
b)
grime
c)
sediment
d)
popcorn
114.
What is physical weathering?
a)
The process that breaks down rock
through dissolving rock and chemical
changes.
b)
Process by which rocks are broken down
into smaller pieces.
115.

What is an enormous mass of ice moving over land, causing weathering of rock and soil?

a)

A glacier

b)

An iceberg

c)

An ice wedge

d)

A sand dune

116.

A cliff formed near the ocean. Which statement best describes how this cliff formed?

a)

Warm air melted the rock.

b)

Sun rays evaporated the rock.

c)

Ocean waves washed away rock.

d)

Plant roots pushed away the rock.

117.
Which of the following is not a form of weathering? 
a)
Cows grazing in the fields
b)
Rocks rubbing against each other
c)
A tree roots growing through the concrete
d)
Snow and Ice breaking a rock
118.
This is the process of dropping sediment in a new location.
a)
Weathering
b)
Erosion
c)
Deposition
119.
The driveway is long and winding because it bends around a huge old oak tree. The pavement near the tree bulges upward and has many more cracks than the other sections of the driveway
a)
Weathering
b)
Erosion
c)
Deposition
120.
This is the process of breaking rock into smaller pieces.
a)
Weathering
b)
Erosion
c)
Deposition
121.
A beautiful display of bluebonnets bloomed along the bank of the river, but after the storm last night, the flowers and a large section of the soil in which they grew is gone.
a)
Weathering
b)
Erosion
c)
Deposition
122.
When we walk along the seashore, we look for shark teeth in the sand. Sometimes we also find unbroken sand dollars, too. 
a)
Weathering
b)
Erosion
c)
Deposition
123.
We love to go rock climbing on the rugged cliffs in the mountains, but our first challenge is to scramble up the large pile of sand and pebbles at the base of the cliff.
a)
Weathering
b)
Erosion
c)
Deposition
124.
When it rains, the water flows across our pasture into this sunken area. We think that there is a cave under our pasture. 
a)
Weathering
b)
Erosion
c)
Deposition
125.
This is the process of moving sediment from one place to another.
a)
Weathering
b)
Erosion
c)
Deposition
126.
The homeowner had clearly labored hard to hold the steep hillside in place by constructing a stone wall, but sometimes the wind blows sand and soil down the hillside.
a)
Weathering
b)
Erosion
c)
Deposition
127.

The breaking down of rocks and other materials on the Earth's surface.

a)

Weathering

b)

Erosion

c)

Deposition

d)

Exfoliation

128.

The process by which rock and soil are moved from one place to another is called-

a)

Chemical weatherin

b)

Erosion

c)

Mechanical weathering

d)

Deosition

129.

This type of weathering in which rock is physically broken into smaller pieces.

a)

Chemical weathering

b)

Erosion

c)

Mechanical weathering

d)

Deposition

130.

What do we call the process in which rock is broken down by changes in its chemical makeup.

a)

Chemical weathering

b)

Mechanical weathering

c)

Erosion

d)

Deposition

131.

Plants/animals digging under ground with roots or claws to break apart rocks.

a)

Frost wedging

b)

Abrasion

c)

Burrowing

d)

Exfoliation

132.

The breaking off of the curved sheets or slabs from a rock's surface due to drastic changing temperatures.

a)

Frost wedging

b)

Exfoliation

c)

Abrasion

d)

Burrowing

133.

The image above depicts the effects of chemical weathering breaking down limestone. Which type of chemical weathering causes this reaction?

a)

Acid rain

b)

Oxidation

c)

Exfoliation

d)

Abrasion

134.

Which type of sediment does wind erosion most strongly affect?

a)

Loose, sandy soil

b)

Wet rocks

c)

Wet, compacted soil

d)

Dry, compacted soil

135.

Which type of area is more likely to weather and erode? An area with a lot of vegetation (plants) or an area with very little? Why?

a)

The area with very little vegetation, because the roots won't be able to burrow through the rocks to weather it down.

b)

The area with a lot of vegetation, because the roots will burrow through the rocks causing a landslide.

c)

The area with very little vegetation, because it has not roots to absorb extra water or hold the soil together. The extra water and loose soil is likely to become a landslide/mudslide.

d)

The area with a lot of vegetation, because the roots will absorb any extra rain water, and will also hold the soil together preventing a landslide.

136.

Which of the following agents is the usually responsible for the formation of canyons?

a)

Gravity pulling

b)

Wind blowing

c)

Flowing water

d)

Glaciers moving

137.

What is the difference between weathering and erosion?

a)

Erosion breaks down the rocks, and weathering carries the broken pieces away.

b)

Erosion carries broken pieces away, and weathering builds the pieces back up into another land mass.

c)

Weathering carries broken pieces away, and erosion builds the pieces back up into another land mass.

d)

Weathering breaks down rocks, and erosion carries the broken pieces away.

138.

Over millions of years, the shape of mountains on Earth's surface can change to low hills and then rolling plains. These changes are most likely caused by-

a)

Folding and faulting

b)

Volcanoes and Earthquakes

c)

Human activity

d)

Weathering and Erosion

139.

Which term best describes the graphic organizer in circle T?

a)

Ice wedging

b)

Abrasion

c)

Oxidation

d)

Burrowing animals

140.

A student prepares a model by filling a plastic bottle with water, capping it tightly, and placing it in the freezer for 24 hours. After 24 hours, there are large cracks on the bottle's sides. The student's model most likely represents which of the following types of weathering:

a)

Acid rain

b)

Oxidation

c)

Frost wedging

d)

Abrasion

141.

The tallest sand dunes in North America are found in Great Sand Dunes National Park and Preserve in Colorado. These dunes were formed from the sand at the bottom of a dry lake bed. Which of the following agents is most likely responsible for the formation of the sand dunes?

a)

Wind

b)

Water

c)

Ice

d)

Gravity

142.

What is the difference between weathering and erosion?

a)

Erosion breaks down the rocks, and weathering carries the broken pieces away.

b)

Erosion carries broken pieces away, and weathering builds the pieces back up into another land mass.

c)

Weathering carries broken pieces away, and erosion builds the pieces back up into another land mass.

d)

Weathering breaks down rocks, and erosion carries the broken pieces away.

143.

Which of the following terms best describes the graphic organizer in circle S?

a)

Acid rain

b)

Oxidation

c)

Deposition

d)

Abrasion

144.

Which of the following pair of terms explains why pebbles in a river are smoother and more rounded than rocks found on land?

a)

Exfoliation and deposition

b)

Weathering and deposition

c)

Weathering and erosion

d)

Deposition and Burrowing

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