Deck 14: Geology and Earth Resources

ملء الشاشة (f)
exit full mode
سؤال
Which of the following statements regarding tectonics is true?

A)Because of tectonic movements, Europe and Africa are drifting slowly toward the Americas
B)When continental plates collide with continental plates, both plates usually subside
C)When oceanic plates collide with continental plates, the continent usually rides up over the seafloor
D)Because of tectonic movements, California is slowly increasing in size
E)When oceanic plates collide with continental plates, the oceanic plate usually rides up over the continental plate
استخدم زر المسافة أو
up arrow
down arrow
لقلب البطاقة.
سؤال
<strong>  In the diagram, the semisolid part of the Earth is labeled as</strong> A)A B)B C)C D)D E)E <div style=padding-top: 35px>
In the diagram, the semisolid part of the Earth is labeled as

A)A
B)B
C)C
D)D
E)E
سؤال
Which of the following is NOT a major type of rock?

A)Igneous
B)Bituminious
C)Metamorphic
D)Sedimentary
سؤال
________ in the mantle and core make tectonic plates move.

A)Conduction movements
B)Earthquakes
C)Radioactive decay
D)Convection currents
E)Concurrent currents
سؤال
Water, wind, and glaciers are examples of forces that cause

A)Chemical weathering
B)Mechanical weathering
C)Abrasion
D)Sedimentation
E)Metamorphosis in rocks
سؤال
Subduction is the process of a tectonic plate

A)Falling freely into the mantle
B)Being forced below another plate
C)Melting without moving
D)Sliding alongside another plate
E)Being sucked into the outer core
سؤال
<strong>  In the diagram, the densest part of the Earth is labeled as</strong> A)A B)B C)C D)D E)E <div style=padding-top: 35px>
In the diagram, the densest part of the Earth is labeled as

A)A
B)B
C)C
D)D
E)E
سؤال
The fundamental characteristic(s) that distinguish(es) a mineral is/are its _______.

A)Chemical composition only
B)Grain size
C)Chemical composition and its crystal structure
D)Crystal structure only
E)Organic materials.
سؤال
The basic material of rocks is a cohesive group of

A)One or more minerals
B)Any noncrystalline elements
C)One or more inorganic elements
D)A metal and a crystal
E)One or more organic elements
سؤال
<strong>  In the diagram, the mantle is labeled as</strong> A)A B)B C)C D)D E)E <div style=padding-top: 35px>
In the diagram, the mantle is labeled as

A)A
B)B
C)C
D)D
E)E
سؤال
The "ring of fire" is the source of more earthquakes and volcanic activity than any other place on earth. What causes the ring of fire?

A)The subduction of Pacific plates under continental plates
B)The drift of Europe and Africa away from the Americas
C)The collision of two continental plates
D)Mid-oceanic ridges
E)The conduction currents in the hot magma
سؤال
A break or weakness in the continuity of the crust of the Earth is called a ________.

A)Tectonic plate
B)Fault
C)Subduction zone
D)Volcano
سؤال
Coal is derived from __________ compressed and hardened over millennia.

A)Plant material from swamps
B)Phytoplankton
C)Lava
D)Vast forests
سؤال
The fundamental characteristic(s) that distinguish(es) a mineral is/are its

A)Chemical composition
B)Crystal structure
C)Organic materials
D)Grain size
E)Chemical composition and its crystal structure
سؤال
Crude oil is derived from____________.

A)Vast forests
B)Lava
C)All plant matter
D)Phytoplankton and algae
سؤال
_______ is an example of an igneous rock.

A)Basalt
B)Shale
C)Marble
D)Sandstone
E)Limestone
سؤال
Rock formed from magma extruded to the surface through volcanic vents is classified as

A)Sedimentary
B)Igneous
C)Metamorphic
D)Weathered rock
E)Lava
سؤال
The word "igneous" comes from a Latin word meaning

A)Water
B)Fossil
C)Sediment
D)Fire
E)Compressed
سؤال
A mineral is composed of

A)Other minerals
B)Noncrystalline elements
C)Inorganic elements
D)A metal and a crystal
E)Organic material
سؤال
Which of the following bodies of water is growing due to tectonic movement?

A)Pacific Ocean
B)Atlantic Ocean
C)Black Sea
D)Indian Ocean
E)None of these are growing
سؤال
A giant sea swell known as a tsunami is caused by

A)Typhoons
B)Earthquakes
C)Lunar gravity
D)Unusual tides combined with seasonal storms
E)A strong wave during an exceptionally high tide
سؤال
Salts such as halite are often produced as ____________ deposits.

A)Sedimentary
B)Igneous
C)Metamorphic
D)Mechanical weathering
E)Glacial
سؤال
Rocks are classified according to their

A)Chemical composition
B)Physical properties
C)Internal structure
D)Mode of formation
E)All of these are correct
سؤال
What gas is released in the process of smelting?

A)Carbon monoxide
B)Chlorine
C)Sulfur dioxide
D)Ammonia
E)Carbon dioxide
سؤال
The physical breakdown of a rock into smaller pieces is called

A)The rock cycle
B)Sedimentation
C)Chemical weathering
D)Mechanical weathering
E)Abrasion
سؤال
Metamorphic rocks are produced when rocks are

A)Chemically weathered
B)Recrystallized by heat and pressure
C)Physically broken down
D)Melted in the mantle and recrystallized
E)Recrystallized through chemical processes
سؤال
Heap-leach extraction removes gold from ore by

A)Pouring gravel into holding tanks
B)Spraying cyanide on a pile of ore gravel
C)Roasting ore to release the gold
D)High-pressure spraying of ore
E)Digging the gold out of the mountains
سؤال
Where do the toxic gases and leachates come from that are the result of mining for gold?

A)Sulfur compounds in the ore
B)Chlorine compounds in the ore
C)Carbon compounds in the ore
D)Cyanide used in the operation of mining for the gold
E)Heavy metals used in the operation of mining for the gold
سؤال
The selective removal or alteration of specific components of a rock that leads to its weakening is called

A)The rock cycle
B)Sedimentation
C)Chemical weathering
D)Mechanical weathering
E)Abrasion
سؤال
The metal(s) that is/are most important in global economies is/are

A)Marble
B)Cadmium
C)Halite
D)Iron
E)All are important metals in the global economy
سؤال
On average, it takes ______________ energy to produce steel from scrap metal compared to the energy of producing steel from raw ore.

A)About half as much
B)About twice as much
C)About one-twentieth as much
D)About the same
E)Slightly more
سؤال
The biggest risk to communities surrounding mountain top removal is ___________.

A)plants are difficult to regrow on the tops of reclaimed mountains
B)the pure ugliness of a reclaimed mountain
C)infiltrating water flows through the rock debris and picks up toxic metals and chemicals, taking them to drinking water supplies.
D)landslides
سؤال
Rocks are _______ in the process called the rock cycle.

A)Moved from place to place
B)Incorporated into living organisms
C)Broken down and re-formed
D)Cycled through the core and mantle
E)Cycled through the crust and core
سؤال
It takes _______________ energy to recycle waste aluminum (e.g., beverage cans) compared to the energy of extracting new aluminum from bauxite.

A)About half as much
B)About twice as much
C)About one-twentieth as much
D)About the same
E)Slightly more
سؤال
A major environmental implication of the quest for more gold at lower concentrations in the ore compared to higher concentrations is that

A)About the same amount of toxic gas is released from digging out the gold
B)Less waste rock is produced
C)Less material has to be moved to get to the gold
D)More carbon dioxide is released as the gold is mined
E)More material has to be moved to get to the gold
سؤال
_______ is an example of metamorphic rock.

A)Basalt
B)Shale
C)Marble
D)Sandstone
E)Granite
سؤال
Sinkholes and caverns can be produced by

A)Chemical weathering
B)Mechanical weathering
C)Abrasion
D)Plant growth and soil acidity
E)The loss of plant roots in the soil
سؤال
In terms of mineral resources, recycling is ________ as raw materials become more _______ and ________ are more plentiful.

A)Slowly increasing; scarce; wastes
B)Slowly decreasing; scarce; environmental laws
C)Quickly increasing; expensive; environmental laws
D)Quickly decreasing; scarce; wastes
E)Staying about the same; expensive; environmental laws
سؤال
Reclamation of strip-mined land is difficult chiefly because

A)Nobody can afford the minimum reclamation costs of about $1000 per acre
B)Topsoil is mixed up and buried so topsoil must take time to develop again for plants to grow
C)There is no legal enforcement
D)No plants will grow in the spoil banks formed by the heavy load of dangerous chemicals
E)There are no subsidies that exist for mining, unlike other resource-based industries
سؤال
Smelting ore, as in Ducktown, Tennessee, releases toxic chemicals in the form of

A)Gases, from baked ore
B)Liquids, from leaching processes
C)Dust, from grinding ore gravel
D)Solids, in the form of toxic waste
E)All of these are correct
سؤال
The substitution of new materials (plastics, etc.) leads to reduced consumption of the mineral and metal resources.
سؤال
The continental crust of the earth is thicker and lighter than the oceanic crust.
سؤال
Earthquakes do not occur in the center of continents, only along the edges of tectonic plates.
سؤال
Placer mining involves washing metals, minerals, and the gemstones from streambeds with a water cannon.
سؤال
Draw a diagram of the rock cycle.Be sure to include the following terms: igneous rocks, magma, metamorphic rocks, sedimentary rocks, sedimentation, weathering, heat, and pressure.
سؤال
Fires are a major environmental risk of underground coal mines.
سؤال
______________ can lead to mass wasting.

A)Clearcutting on steep slopes
B)Building on the flood plain
C)Building flood walls for flood control
D)The overuse of our natural resources
E)All of these are practices that can lead to mass wasting
فتح الحزمة
قم بالتسجيل لفتح البطاقات في هذه المجموعة!
Unlock Deck
Unlock Deck
1/47
auto play flashcards
العب
simple tutorial
ملء الشاشة (f)
exit full mode
Deck 14: Geology and Earth Resources
1
Which of the following statements regarding tectonics is true?

A)Because of tectonic movements, Europe and Africa are drifting slowly toward the Americas
B)When continental plates collide with continental plates, both plates usually subside
C)When oceanic plates collide with continental plates, the continent usually rides up over the seafloor
D)Because of tectonic movements, California is slowly increasing in size
E)When oceanic plates collide with continental plates, the oceanic plate usually rides up over the continental plate
When oceanic plates collide with continental plates, the continent usually rides up over the seafloor
2
<strong>  In the diagram, the semisolid part of the Earth is labeled as</strong> A)A B)B C)C D)D E)E
In the diagram, the semisolid part of the Earth is labeled as

A)A
B)B
C)C
D)D
E)E
D
3
Which of the following is NOT a major type of rock?

A)Igneous
B)Bituminious
C)Metamorphic
D)Sedimentary
Bituminious
4
________ in the mantle and core make tectonic plates move.

A)Conduction movements
B)Earthquakes
C)Radioactive decay
D)Convection currents
E)Concurrent currents
فتح الحزمة
افتح القفل للوصول البطاقات البالغ عددها 47 في هذه المجموعة.
فتح الحزمة
k this deck
5
Water, wind, and glaciers are examples of forces that cause

A)Chemical weathering
B)Mechanical weathering
C)Abrasion
D)Sedimentation
E)Metamorphosis in rocks
فتح الحزمة
افتح القفل للوصول البطاقات البالغ عددها 47 في هذه المجموعة.
فتح الحزمة
k this deck
6
Subduction is the process of a tectonic plate

A)Falling freely into the mantle
B)Being forced below another plate
C)Melting without moving
D)Sliding alongside another plate
E)Being sucked into the outer core
فتح الحزمة
افتح القفل للوصول البطاقات البالغ عددها 47 في هذه المجموعة.
فتح الحزمة
k this deck
7
<strong>  In the diagram, the densest part of the Earth is labeled as</strong> A)A B)B C)C D)D E)E
In the diagram, the densest part of the Earth is labeled as

A)A
B)B
C)C
D)D
E)E
فتح الحزمة
افتح القفل للوصول البطاقات البالغ عددها 47 في هذه المجموعة.
فتح الحزمة
k this deck
8
The fundamental characteristic(s) that distinguish(es) a mineral is/are its _______.

A)Chemical composition only
B)Grain size
C)Chemical composition and its crystal structure
D)Crystal structure only
E)Organic materials.
فتح الحزمة
افتح القفل للوصول البطاقات البالغ عددها 47 في هذه المجموعة.
فتح الحزمة
k this deck
9
The basic material of rocks is a cohesive group of

A)One or more minerals
B)Any noncrystalline elements
C)One or more inorganic elements
D)A metal and a crystal
E)One or more organic elements
فتح الحزمة
افتح القفل للوصول البطاقات البالغ عددها 47 في هذه المجموعة.
فتح الحزمة
k this deck
10
<strong>  In the diagram, the mantle is labeled as</strong> A)A B)B C)C D)D E)E
In the diagram, the mantle is labeled as

A)A
B)B
C)C
D)D
E)E
فتح الحزمة
افتح القفل للوصول البطاقات البالغ عددها 47 في هذه المجموعة.
فتح الحزمة
k this deck
11
The "ring of fire" is the source of more earthquakes and volcanic activity than any other place on earth. What causes the ring of fire?

A)The subduction of Pacific plates under continental plates
B)The drift of Europe and Africa away from the Americas
C)The collision of two continental plates
D)Mid-oceanic ridges
E)The conduction currents in the hot magma
فتح الحزمة
افتح القفل للوصول البطاقات البالغ عددها 47 في هذه المجموعة.
فتح الحزمة
k this deck
12
A break or weakness in the continuity of the crust of the Earth is called a ________.

A)Tectonic plate
B)Fault
C)Subduction zone
D)Volcano
فتح الحزمة
افتح القفل للوصول البطاقات البالغ عددها 47 في هذه المجموعة.
فتح الحزمة
k this deck
13
Coal is derived from __________ compressed and hardened over millennia.

A)Plant material from swamps
B)Phytoplankton
C)Lava
D)Vast forests
فتح الحزمة
افتح القفل للوصول البطاقات البالغ عددها 47 في هذه المجموعة.
فتح الحزمة
k this deck
14
The fundamental characteristic(s) that distinguish(es) a mineral is/are its

A)Chemical composition
B)Crystal structure
C)Organic materials
D)Grain size
E)Chemical composition and its crystal structure
فتح الحزمة
افتح القفل للوصول البطاقات البالغ عددها 47 في هذه المجموعة.
فتح الحزمة
k this deck
15
Crude oil is derived from____________.

A)Vast forests
B)Lava
C)All plant matter
D)Phytoplankton and algae
فتح الحزمة
افتح القفل للوصول البطاقات البالغ عددها 47 في هذه المجموعة.
فتح الحزمة
k this deck
16
_______ is an example of an igneous rock.

A)Basalt
B)Shale
C)Marble
D)Sandstone
E)Limestone
فتح الحزمة
افتح القفل للوصول البطاقات البالغ عددها 47 في هذه المجموعة.
فتح الحزمة
k this deck
17
Rock formed from magma extruded to the surface through volcanic vents is classified as

A)Sedimentary
B)Igneous
C)Metamorphic
D)Weathered rock
E)Lava
فتح الحزمة
افتح القفل للوصول البطاقات البالغ عددها 47 في هذه المجموعة.
فتح الحزمة
k this deck
18
The word "igneous" comes from a Latin word meaning

A)Water
B)Fossil
C)Sediment
D)Fire
E)Compressed
فتح الحزمة
افتح القفل للوصول البطاقات البالغ عددها 47 في هذه المجموعة.
فتح الحزمة
k this deck
19
A mineral is composed of

A)Other minerals
B)Noncrystalline elements
C)Inorganic elements
D)A metal and a crystal
E)Organic material
فتح الحزمة
افتح القفل للوصول البطاقات البالغ عددها 47 في هذه المجموعة.
فتح الحزمة
k this deck
20
Which of the following bodies of water is growing due to tectonic movement?

A)Pacific Ocean
B)Atlantic Ocean
C)Black Sea
D)Indian Ocean
E)None of these are growing
فتح الحزمة
افتح القفل للوصول البطاقات البالغ عددها 47 في هذه المجموعة.
فتح الحزمة
k this deck
21
A giant sea swell known as a tsunami is caused by

A)Typhoons
B)Earthquakes
C)Lunar gravity
D)Unusual tides combined with seasonal storms
E)A strong wave during an exceptionally high tide
فتح الحزمة
افتح القفل للوصول البطاقات البالغ عددها 47 في هذه المجموعة.
فتح الحزمة
k this deck
22
Salts such as halite are often produced as ____________ deposits.

A)Sedimentary
B)Igneous
C)Metamorphic
D)Mechanical weathering
E)Glacial
فتح الحزمة
افتح القفل للوصول البطاقات البالغ عددها 47 في هذه المجموعة.
فتح الحزمة
k this deck
23
Rocks are classified according to their

A)Chemical composition
B)Physical properties
C)Internal structure
D)Mode of formation
E)All of these are correct
فتح الحزمة
افتح القفل للوصول البطاقات البالغ عددها 47 في هذه المجموعة.
فتح الحزمة
k this deck
24
What gas is released in the process of smelting?

A)Carbon monoxide
B)Chlorine
C)Sulfur dioxide
D)Ammonia
E)Carbon dioxide
فتح الحزمة
افتح القفل للوصول البطاقات البالغ عددها 47 في هذه المجموعة.
فتح الحزمة
k this deck
25
The physical breakdown of a rock into smaller pieces is called

A)The rock cycle
B)Sedimentation
C)Chemical weathering
D)Mechanical weathering
E)Abrasion
فتح الحزمة
افتح القفل للوصول البطاقات البالغ عددها 47 في هذه المجموعة.
فتح الحزمة
k this deck
26
Metamorphic rocks are produced when rocks are

A)Chemically weathered
B)Recrystallized by heat and pressure
C)Physically broken down
D)Melted in the mantle and recrystallized
E)Recrystallized through chemical processes
فتح الحزمة
افتح القفل للوصول البطاقات البالغ عددها 47 في هذه المجموعة.
فتح الحزمة
k this deck
27
Heap-leach extraction removes gold from ore by

A)Pouring gravel into holding tanks
B)Spraying cyanide on a pile of ore gravel
C)Roasting ore to release the gold
D)High-pressure spraying of ore
E)Digging the gold out of the mountains
فتح الحزمة
افتح القفل للوصول البطاقات البالغ عددها 47 في هذه المجموعة.
فتح الحزمة
k this deck
28
Where do the toxic gases and leachates come from that are the result of mining for gold?

A)Sulfur compounds in the ore
B)Chlorine compounds in the ore
C)Carbon compounds in the ore
D)Cyanide used in the operation of mining for the gold
E)Heavy metals used in the operation of mining for the gold
فتح الحزمة
افتح القفل للوصول البطاقات البالغ عددها 47 في هذه المجموعة.
فتح الحزمة
k this deck
29
The selective removal or alteration of specific components of a rock that leads to its weakening is called

A)The rock cycle
B)Sedimentation
C)Chemical weathering
D)Mechanical weathering
E)Abrasion
فتح الحزمة
افتح القفل للوصول البطاقات البالغ عددها 47 في هذه المجموعة.
فتح الحزمة
k this deck
30
The metal(s) that is/are most important in global economies is/are

A)Marble
B)Cadmium
C)Halite
D)Iron
E)All are important metals in the global economy
فتح الحزمة
افتح القفل للوصول البطاقات البالغ عددها 47 في هذه المجموعة.
فتح الحزمة
k this deck
31
On average, it takes ______________ energy to produce steel from scrap metal compared to the energy of producing steel from raw ore.

A)About half as much
B)About twice as much
C)About one-twentieth as much
D)About the same
E)Slightly more
فتح الحزمة
افتح القفل للوصول البطاقات البالغ عددها 47 في هذه المجموعة.
فتح الحزمة
k this deck
32
The biggest risk to communities surrounding mountain top removal is ___________.

A)plants are difficult to regrow on the tops of reclaimed mountains
B)the pure ugliness of a reclaimed mountain
C)infiltrating water flows through the rock debris and picks up toxic metals and chemicals, taking them to drinking water supplies.
D)landslides
فتح الحزمة
افتح القفل للوصول البطاقات البالغ عددها 47 في هذه المجموعة.
فتح الحزمة
k this deck
33
Rocks are _______ in the process called the rock cycle.

A)Moved from place to place
B)Incorporated into living organisms
C)Broken down and re-formed
D)Cycled through the core and mantle
E)Cycled through the crust and core
فتح الحزمة
افتح القفل للوصول البطاقات البالغ عددها 47 في هذه المجموعة.
فتح الحزمة
k this deck
34
It takes _______________ energy to recycle waste aluminum (e.g., beverage cans) compared to the energy of extracting new aluminum from bauxite.

A)About half as much
B)About twice as much
C)About one-twentieth as much
D)About the same
E)Slightly more
فتح الحزمة
افتح القفل للوصول البطاقات البالغ عددها 47 في هذه المجموعة.
فتح الحزمة
k this deck
35
A major environmental implication of the quest for more gold at lower concentrations in the ore compared to higher concentrations is that

A)About the same amount of toxic gas is released from digging out the gold
B)Less waste rock is produced
C)Less material has to be moved to get to the gold
D)More carbon dioxide is released as the gold is mined
E)More material has to be moved to get to the gold
فتح الحزمة
افتح القفل للوصول البطاقات البالغ عددها 47 في هذه المجموعة.
فتح الحزمة
k this deck
36
_______ is an example of metamorphic rock.

A)Basalt
B)Shale
C)Marble
D)Sandstone
E)Granite
فتح الحزمة
افتح القفل للوصول البطاقات البالغ عددها 47 في هذه المجموعة.
فتح الحزمة
k this deck
37
Sinkholes and caverns can be produced by

A)Chemical weathering
B)Mechanical weathering
C)Abrasion
D)Plant growth and soil acidity
E)The loss of plant roots in the soil
فتح الحزمة
افتح القفل للوصول البطاقات البالغ عددها 47 في هذه المجموعة.
فتح الحزمة
k this deck
38
In terms of mineral resources, recycling is ________ as raw materials become more _______ and ________ are more plentiful.

A)Slowly increasing; scarce; wastes
B)Slowly decreasing; scarce; environmental laws
C)Quickly increasing; expensive; environmental laws
D)Quickly decreasing; scarce; wastes
E)Staying about the same; expensive; environmental laws
فتح الحزمة
افتح القفل للوصول البطاقات البالغ عددها 47 في هذه المجموعة.
فتح الحزمة
k this deck
39
Reclamation of strip-mined land is difficult chiefly because

A)Nobody can afford the minimum reclamation costs of about $1000 per acre
B)Topsoil is mixed up and buried so topsoil must take time to develop again for plants to grow
C)There is no legal enforcement
D)No plants will grow in the spoil banks formed by the heavy load of dangerous chemicals
E)There are no subsidies that exist for mining, unlike other resource-based industries
فتح الحزمة
افتح القفل للوصول البطاقات البالغ عددها 47 في هذه المجموعة.
فتح الحزمة
k this deck
40
Smelting ore, as in Ducktown, Tennessee, releases toxic chemicals in the form of

A)Gases, from baked ore
B)Liquids, from leaching processes
C)Dust, from grinding ore gravel
D)Solids, in the form of toxic waste
E)All of these are correct
فتح الحزمة
افتح القفل للوصول البطاقات البالغ عددها 47 في هذه المجموعة.
فتح الحزمة
k this deck
41
The substitution of new materials (plastics, etc.) leads to reduced consumption of the mineral and metal resources.
فتح الحزمة
افتح القفل للوصول البطاقات البالغ عددها 47 في هذه المجموعة.
فتح الحزمة
k this deck
42
The continental crust of the earth is thicker and lighter than the oceanic crust.
فتح الحزمة
افتح القفل للوصول البطاقات البالغ عددها 47 في هذه المجموعة.
فتح الحزمة
k this deck
43
Earthquakes do not occur in the center of continents, only along the edges of tectonic plates.
فتح الحزمة
افتح القفل للوصول البطاقات البالغ عددها 47 في هذه المجموعة.
فتح الحزمة
k this deck
44
Placer mining involves washing metals, minerals, and the gemstones from streambeds with a water cannon.
فتح الحزمة
افتح القفل للوصول البطاقات البالغ عددها 47 في هذه المجموعة.
فتح الحزمة
k this deck
45
Draw a diagram of the rock cycle.Be sure to include the following terms: igneous rocks, magma, metamorphic rocks, sedimentary rocks, sedimentation, weathering, heat, and pressure.
فتح الحزمة
افتح القفل للوصول البطاقات البالغ عددها 47 في هذه المجموعة.
فتح الحزمة
k this deck
46
Fires are a major environmental risk of underground coal mines.
فتح الحزمة
افتح القفل للوصول البطاقات البالغ عددها 47 في هذه المجموعة.
فتح الحزمة
k this deck
47
______________ can lead to mass wasting.

A)Clearcutting on steep slopes
B)Building on the flood plain
C)Building flood walls for flood control
D)The overuse of our natural resources
E)All of these are practices that can lead to mass wasting
فتح الحزمة
افتح القفل للوصول البطاقات البالغ عددها 47 في هذه المجموعة.
فتح الحزمة
k this deck
locked card icon
فتح الحزمة
افتح القفل للوصول البطاقات البالغ عددها 47 في هذه المجموعة.