WaltonFuture/TQA · Datasets at Hugging Face

images images listlengths 1 1	problem stringlengths 38 538	answer stringlengths 1 273
	<image>How many actions are depicted in the diagram? Choices: 6 4 8 7	7
	<image>How many steps are there to the formation of a stump? Choices: 6 5 10 7	7
	<image>Which of these are most affected by a storm? Choices: Dunes Continental shelf Shoreface Intertidal beach	Intertidal beach
	<image>In a storm beach, what is exposed during the low tide? Choices: High tide Rocks Upper beach Dunes	Rocks
	<image>Where is eroded intertidal beach sediment deposited in a storm weather beach system? Choices: On the dunes On the lower shoreface On the upper beach On the continental shelf	On the lower shoreface
	<image>In which step does the cliff collapse? Choices: 4 2 3 1	3
	<image>Which step is the cause of the erosion process shown? Choices: 4. Cliff retreats 2. Wave-cut notch 5. Wave-cut platform 1. Original position of cliff	2. Wave-cut notch
	<image>What happens before cliff retreats? Choices: Wave-cut platform Wave-cut notch Nothing Notch increases and cliff collapses	Notch increases and cliff collapses
	<image>What is located just below the wave-cut notch? Choices: Notch increases and cliff colapses Cliff retreats Origiinal position of cliff Wave-cut platform	Wave-cut platform
	<image>What is the area of water where the river falls called? Choices: river lake Plunge pool waterfallretreats	Plunge pool
	<image>How many types of rocks are shown in the diagram? Choices: 2 1 4 3	3
	<image>What collapses and creates a fall? Choices: plunge pool overhang pebbles and stones soft rock	overhang
	<image>Which label points to undercutting? Choices: 1 Top left Bottom middle 3	3
	<image>What forms when a sea cave is eroded through completely? Choices: Blowhole Arch Stump Stack	Arch
	<image>In this diagram of Erosion and Deposition by Flowing Water, what is located just below the Headland? Choices: Stump Blowhole Arch Stack	Arch
	<image>What material is deposited on the slip off slope? Choices: soil fine material sand and shingle rocks	sand and shingle
	<image>Where does the sand deposits? Choices: In the air In the river In the soil In the cliff	In the river
	<image>What is deposited on inside of bend? Choices: Sand and Shingle Current River cliff Slope	Sand and Shingle
	<image>Why is flowing water important agent of corrosion? Choices: Flowing water can erode rocks and soil it maintains the water it keeps the soil dry it keeps the soil firm	Flowing water can erode rocks and soil
	<image>What happens to rock after weathering? Choices: rain will cause the rock to expand Erosion from rain will cause the sediments to go downhill no effect rain will cement the sediments on the hill surface	Erosion from rain will cause the sediments to go downhill
	<image>What causes the sediments to move downhill to another place? Choices: Erosion and transport Weathering Precipitation Condensation	Erosion and transport
	<image>What rock formation causes rapids? Choices: Soft Rocks Fallen Rocks Overhang Hard Rock	Hard Rock
	<image>Which is the name of the exact point where water falls in a waterfall? Choices: Overhang Hard rock Steep-sided gorge Plunge pool	Overhang
	<image>How many ridges of hard rock are shown in this picture? Choices: 3 5 2 4	2
	<image>How are rapids created? Choices: overhang fallen rocks Ridges of hard rick create an uneven slope waterfall retreats	Ridges of hard rick create an uneven slope
	<image>Which of the bottom labels (numbered from left to right) points to low tide? Choices: 1 4 2 3	2
	<image>How many phases of the tide are there? Choices: 3 2 4 1	2
	<image>In this diagram of Erosion and Deposition by Flowing Water, where does the water go through the blow hole? Choices: Arch High Tide Caves Stump Covered at High Tide	Caves
	<image>What is the first stage in the formation of waterfall? Choices: overhang collapses plunge pool develops undercutting waterfall retreats upstream	undercutting
	<image>How many formations of a waterfall are there? Choices: 4 5 3 2	5
	<image>What is shown in the picture? Choices: Photosynthesis Life Cycle Erosion and Deposition by Flowing Water Solar Heat	Erosion and Deposition by Flowing Water
	<image>What is located in a plunge pool? Choices: Hard rock A waterfall Fallen rocks Fish	Fallen rocks
	<image>What prominent feature develops when a waterfall retreats? Choices: Steep sided gorge fallen focks overhang plunge pool	Steep sided gorge
	<image>What happens when stream flows from an area of harder to softer rock? Choices: Erosion occurs. A waterfall forms. A plunge pool forms A lake forms	A waterfall forms.
	<image>What is the part over the plunge pool called? Choices: fallen rocks rapids overhang gorge	overhang
	<image>How many types of rock are in the picture? Choices: 5 4 2 3	2
	<image>What is under hard rock? Choices: Water Soft rock Nothing Stream	Soft rock
	<image>What is the empty space behind the falling water in this drawing? Choices: hard rock undercutting Soft Rock cave	undercutting
	<image>Which structure marks the greatest distance the glacier advanced? Choices: Moraine Zone of ablation Snout Zone of accumulation	Moraine
	<image>What is between the Zone of ablation and Moraine? Choices: continental glacier glacial till Zone of Accumulation Snout	Snout
	<image>How many zones are depicted in the diagram? Choices: 4 1 3 2	2
	<image>The shape of which area could be caused by melting or an avalanche? Choices: moraine zone of ablation snout zone of accumulation	zone of ablation
	<image>Which part of the diagram is most likely to deposit sediment? Choices: C E A B	B
	<image>The Compressing Flow is above: Choices: The Bergschrund. the Accumulation Zone. The Crevasses. the Extending Flow.	the Extending Flow.
	<image>How many zones can you see? Choices: 1 2 9 5	2
	<image>Identify the highest layer. Choices: Floodplai Receding Glacier drumlin esker	Receding Glacier
	<image>What is between the kame and the floodplain? Choices: drumlin receding glacier terminal moraine esker	terminal moraine
	<image>Where do glaciers deposit their sediment? Choices: ground moraine receding glacier Drumlin, kettles, and esker rock bed	Drumlin, kettles, and esker
	<image>How many parts are shown in the diagram below? Choices: 5 2 3 9	9
	<image>A thick layer of sediments is left behind by a retreating glacier. What is it known as? Choices: Drumlin. Ground moraine. Esker. Kettles.	Ground moraine.
	<image>What are the features of the glacier erosion? Choices: rock bed is found on top of the glacier Landforms deposited by glaciers include drumlins, kettle lakes, and eskers. rock bed does not support the glacier kettles are not part of glacier erosion	Landforms deposited by glaciers include drumlins, kettle lakes, and eskers.
	<image>Where does the snow accumulation happen? Choices: Ice Shelf Glacier Flow Sea Ice Antarctic Ice Sheet	Antarctic Ice Sheet
	<image>Where does Ice shelf forms? Choices: Glacier flow Icebergs Continental shelf Grounding line	Glacier flow
	<image>Where in the diagram there's snow accumulation? Choices: Antarctic Ice Sheet Ice Shelf Glacier Flow Icebergs	Antarctic Ice Sheet
	<image>Which is located beneath the ice shelf? Choices: Buoyant melt plume Surface crevasses Icebergs ESA satellite	Buoyant melt plume
	<image>How many satellites are in the diagram? Choices: 2 6 1 4	1
	<image>How many of these aren't on the mountainous part? Choices: 5 1 2 3	2
	<image>Steps of glacier formation. Choices: 3 6 2 1	6
	<image>How do glaciers reach the melting evaporation stage? Choices: snow - lateral moraine - snout snow - medial moraine - melting snowfall - equilibrium line- medial moraine - snout - melting evaporation snow - snout	snowfall - equilibrium line- medial moraine - snout - melting evaporation
	<image>How many parts are there in this picture? Choices: 9 10 7 8	9
	<image>How many rock beds are there in the diagram? Choices: 2 3 4 1	1
	<image>What is the zone above the equilibrium line where snow and neve are compresses and turn into glacier ice? Choices: Accumulation zone Ice front Ablation zone Margin of glacier	Accumulation zone
	<image>Identify the area of a glacier where the removal of snow and ice is greater than the amount replaced. Choices: Ablation zone Sediments Accumulation zone Equilibrium line	Ablation zone
	<image>How many parts are shown in the diagram below? Choices: 6 8 5 7	8
	<image>What are all the parts of the glacier above the equilibrium line called? Choices: accumulation zone ice front sedimentary zone ablation zone	accumulation zone
	<image>What will form when the glacier melts? Choices: Zone of Plucking Zone of Abrasion Tarn (lake) Headwall	Tarn (lake)
	<image>What stops the glacial ice from flowing through? Choices: zone of plucking zone of abrasion terminal moraine tarn	terminal moraine
	<image>What is located below the Headwall? Choices: Terminal Moraine Zone of Abrasion Zone of Plucking Glacial Ice	Zone of Plucking
	<image>From the diagram, identify the part which refers to a rounded hollow carved in the side of a mountain by a glacier. Choices: arete cirque truncated spur horn	cirque
	<image>The diagram shows valleys that are caused by glacier erosion. What are these valleys called? Choices: Horn Truncated spur Medial moraine Cirques	Cirques
	<image>What does a glacier insist of? Choices: Ice Soil Rock Air	Ice
	<image>Which of those is the older layer? Choices: Sedimentary rocks Impermeable rocks Water Trapped fossils	Trapped fossils
	<image>Fossils need what for fossilization to start? Choices: Oil Natural Gas Sedimentary rocks Coal	Sedimentary rocks
	<image>The soft parts of organisms almost always decompose quickly after death. In which stage of fossil formation does this occur? Choices: 2 3 4 1	1
	<image>Can underwater animals decompose? Choices: no sometimes idk yes	yes
	<image>What causes a fossil to be exposed? Choices: sediments Rock erosion the sun water	Rock erosion
	<image>How many stages are there to the formation of a fossil? Choices: 3 4 2 5	4
	<image>Identify which of the following does not happen to a fish. Choices: It Floats It Dies and sinks to the bottom of the lake The bones become a fossil. It rots and only bones are left	It Floats
	<image>What is the process being described in this diagram? Choices: Organization Evolution Sedimentation Fossilization	Fossilization
	<image>What happens after the fish rots? Choices: Gets covered by mud Sinks Only the bones are left Flyes	Only the bones are left
	<image>How many steps of aquatic fossil formation show the image? Choices: 1 2 5 3	3
	<image>What happens right after a fish dies and sink to the bottom of a lake? Choices: The fish rots. The fish floats back up. The water evaporates. Algae feast on the fish.	The fish rots.
	<image>What happens after the mud hardens in the soil? Choices: Rock Layers Form Erosion Sediments are deposited Track is made	Sediments are deposited
	<image>What does happen after the track is made? Choices: Rock layers form. Print is exposed by erosion. The mud hardens. Sediment is deposited.	The mud hardens.
	<image>Which is the last step of the process? Choices: rock layers form mud hardens track is made print is exposed by erosion	print is exposed by erosion
	<image>How many stages are there in the fossilization process? Choices: 8 3 5 10	5
	<image>What would happen if the mud never hardened? Choices: Nothing would change if the mud didn't harden. A print would be made but it would be fuzzy. No print would be preserved. A print would be made but it would be from a different animal.	No print would be preserved.
	<image>What is the stage of fossilization that is between the formation of lignite and anthracite? Choices: peat lignite forrest bituminous and subittuminous coal	bituminous and subittuminous coal
	<image>How are arthritides formed? Choices: when birds eat vegetation compression of the soil when the vegetation dies when vegetation is burned when animals eat vegetation	compression of the soil when the vegetation dies
	<image>What is formed by the compression of Peat? Choices: Anthracite Vegetation Lignite Coal	Lignite
	<image>How many phases does anthracite need to form? Choices: 4 5 6 3	5
	<image>What happened 300 million years ago? Choices: the vegetation and forms peat the peat is compressed between sediment layers to form lignite huge forests grew around 300 million years ago covering most of the Earth eventually anthracite forms	huge forests grew around 300 million years ago covering most of the Earth
	<image>What needs to happen first before anthracite can form? Choices: peat is compresses bituminous forms peat is compressed vegetation dies	vegetation dies
	<image>How many steps are in the process of fossilization? Choices: 2 4 1 3	4
	<image>Identify the part of the process where sediment begins to cover the remains. Choices: 1 2 3 4	2
	<image>Which is the last stage in the process of fossilization? Choices: 2 1 3 4	4
	<image>How many stages are there to fossilization? Choices: 4 8 6 10	4
	<image>How many steps are shown in the process of fossilization below? Choices: 2 5 3 4	4
	<image>Which process of fossilization shows the dying and sinking of the fish? Choices: 1 2 3 4	2
	<image>How many layers of land are there in the picture? Choices: 4 2 3 1	4

<image>How many actions are depicted in the diagram? Choices: 6 4 8 7

7

<image>How many steps are there to the formation of a stump? Choices: 6 5 10 7

7

<image>Which of these are most affected by a storm? Choices: Dunes Continental shelf Shoreface Intertidal beach

Intertidal beach

<image>In a storm beach, what is exposed during the low tide? Choices: High tide Rocks Upper beach Dunes

Rocks

<image>Where is eroded intertidal beach sediment deposited in a storm weather beach system? Choices: On the dunes On the lower shoreface On the upper beach On the continental shelf

On the lower shoreface

<image>In which step does the cliff collapse? Choices: 4 2 3 1

3

<image>Which step is the cause of the erosion process shown? Choices: 4. Cliff retreats 2. Wave-cut notch 5. Wave-cut platform 1. Original position of cliff

2. Wave-cut notch

<image>What happens before cliff retreats? Choices: Wave-cut platform Wave-cut notch Nothing Notch increases and cliff collapses

Notch increases and cliff collapses

<image>What is located just below the wave-cut notch? Choices: Notch increases and cliff colapses Cliff retreats Origiinal position of cliff Wave-cut platform

Wave-cut platform

<image>What is the area of water where the river falls called? Choices: river lake Plunge pool waterfallretreats

Plunge pool

<image>How many types of rocks are shown in the diagram? Choices: 2 1 4 3

3

<image>What collapses and creates a fall? Choices: plunge pool overhang pebbles and stones soft rock

overhang

<image>Which label points to undercutting? Choices: 1 Top left Bottom middle 3

3

<image>What forms when a sea cave is eroded through completely? Choices: Blowhole Arch Stump Stack

Arch

<image>In this diagram of Erosion and Deposition by Flowing Water, what is located just below the Headland? Choices: Stump Blowhole Arch Stack

Arch

<image>What material is deposited on the slip off slope? Choices: soil fine material sand and shingle rocks

sand and shingle

<image>Where does the sand deposits? Choices: In the air In the river In the soil In the cliff

In the river

<image>What is deposited on inside of bend? Choices: Sand and Shingle Current River cliff Slope

Sand and Shingle

<image>Why is flowing water important agent of corrosion? Choices: Flowing water can erode rocks and soil it maintains the water it keeps the soil dry it keeps the soil firm

Flowing water can erode rocks and soil

<image>What happens to rock after weathering? Choices: rain will cause the rock to expand Erosion from rain will cause the sediments to go downhill no effect rain will cement the sediments on the hill surface

Erosion from rain will cause the sediments to go downhill

<image>What causes the sediments to move downhill to another place? Choices: Erosion and transport Weathering Precipitation Condensation

Erosion and transport

<image>What rock formation causes rapids? Choices: Soft Rocks Fallen Rocks Overhang Hard Rock

Hard Rock

<image>Which is the name of the exact point where water falls in a waterfall? Choices: Overhang Hard rock Steep-sided gorge Plunge pool

Overhang

<image>How many ridges of hard rock are shown in this picture? Choices: 3 5 2 4

2

<image>How are rapids created? Choices: overhang fallen rocks Ridges of hard rick create an uneven slope waterfall retreats

Ridges of hard rick create an uneven slope

<image>Which of the bottom labels (numbered from left to right) points to low tide? Choices: 1 4 2 3

2

<image>How many phases of the tide are there? Choices: 3 2 4 1

2

<image>In this diagram of Erosion and Deposition by Flowing Water, where does the water go through the blow hole? Choices: Arch High Tide Caves Stump Covered at High Tide

Caves

<image>What is the first stage in the formation of waterfall? Choices: overhang collapses plunge pool develops undercutting waterfall retreats upstream

undercutting

<image>How many formations of a waterfall are there? Choices: 4 5 3 2

5

<image>What is shown in the picture? Choices: Photosynthesis Life Cycle Erosion and Deposition by Flowing Water Solar Heat

Erosion and Deposition by Flowing Water

<image>What is located in a plunge pool? Choices: Hard rock A waterfall Fallen rocks Fish

Fallen rocks

<image>What prominent feature develops when a waterfall retreats? Choices: Steep sided gorge fallen focks overhang plunge pool

Steep sided gorge

<image>What happens when stream flows from an area of harder to softer rock? Choices: Erosion occurs. A waterfall forms. A plunge pool forms A lake forms

A waterfall forms.

<image>What is the part over the plunge pool called? Choices: fallen rocks rapids overhang gorge

overhang

<image>How many types of rock are in the picture? Choices: 5 4 2 3

2

<image>What is under hard rock? Choices: Water Soft rock Nothing Stream

Soft rock

<image>What is the empty space behind the falling water in this drawing? Choices: hard rock undercutting Soft Rock cave

undercutting

<image>Which structure marks the greatest distance the glacier advanced? Choices: Moraine Zone of ablation Snout Zone of accumulation

Moraine

<image>What is between the Zone of ablation and Moraine? Choices: continental glacier glacial till Zone of Accumulation Snout

Snout

<image>How many zones are depicted in the diagram? Choices: 4 1 3 2

2

<image>The shape of which area could be caused by melting or an avalanche? Choices: moraine zone of ablation snout zone of accumulation

zone of ablation

<image>Which part of the diagram is most likely to deposit sediment? Choices: C E A B

B

<image>The Compressing Flow is above: Choices: The Bergschrund. the Accumulation Zone. The Crevasses. the Extending Flow.

the Extending Flow.

<image>How many zones can you see? Choices: 1 2 9 5

2

<image>Identify the highest layer. Choices: Floodplai Receding Glacier drumlin esker

Receding Glacier

<image>What is between the kame and the floodplain? Choices: drumlin receding glacier terminal moraine esker

terminal moraine

<image>Where do glaciers deposit their sediment? Choices: ground moraine receding glacier Drumlin, kettles, and esker rock bed

Drumlin, kettles, and esker

<image>How many parts are shown in the diagram below? Choices: 5 2 3 9

9

<image>A thick layer of sediments is left behind by a retreating glacier. What is it known as? Choices: Drumlin. Ground moraine. Esker. Kettles.

Ground moraine.

<image>What are the features of the glacier erosion? Choices: rock bed is found on top of the glacier Landforms deposited by glaciers include drumlins, kettle lakes, and eskers. rock bed does not support the glacier kettles are not part of glacier erosion

Landforms deposited by glaciers include drumlins, kettle lakes, and eskers.

<image>Where does the snow accumulation happen? Choices: Ice Shelf Glacier Flow Sea Ice Antarctic Ice Sheet

Antarctic Ice Sheet

<image>Where does Ice shelf forms? Choices: Glacier flow Icebergs Continental shelf Grounding line

Glacier flow

<image>Where in the diagram there's snow accumulation? Choices: Antarctic Ice Sheet Ice Shelf Glacier Flow Icebergs

Antarctic Ice Sheet

<image>Which is located beneath the ice shelf? Choices: Buoyant melt plume Surface crevasses Icebergs ESA satellite

Buoyant melt plume

<image>How many satellites are in the diagram? Choices: 2 6 1 4

1

<image>How many of these aren't on the mountainous part? Choices: 5 1 2 3

2

<image>Steps of glacier formation. Choices: 3 6 2 1

6

<image>How do glaciers reach the melting evaporation stage? Choices: snow - lateral moraine - snout snow - medial moraine - melting snowfall - equilibrium line- medial moraine - snout - melting evaporation snow - snout

snowfall - equilibrium line- medial moraine - snout - melting evaporation

<image>How many parts are there in this picture? Choices: 9 10 7 8

9

<image>How many rock beds are there in the diagram? Choices: 2 3 4 1

1

<image>What is the zone above the equilibrium line where snow and neve are compresses and turn into glacier ice? Choices: Accumulation zone Ice front Ablation zone Margin of glacier

Accumulation zone

<image>Identify the area of a glacier where the removal of snow and ice is greater than the amount replaced. Choices: Ablation zone Sediments Accumulation zone Equilibrium line

Ablation zone

<image>How many parts are shown in the diagram below? Choices: 6 8 5 7

8

<image>What are all the parts of the glacier above the equilibrium line called? Choices: accumulation zone ice front sedimentary zone ablation zone

accumulation zone

<image>What will form when the glacier melts? Choices: Zone of Plucking Zone of Abrasion Tarn (lake) Headwall

Tarn (lake)

<image>What stops the glacial ice from flowing through? Choices: zone of plucking zone of abrasion terminal moraine tarn

terminal moraine

<image>What is located below the Headwall? Choices: Terminal Moraine Zone of Abrasion Zone of Plucking Glacial Ice

Zone of Plucking

<image>From the diagram, identify the part which refers to a rounded hollow carved in the side of a mountain by a glacier. Choices: arete cirque truncated spur horn

cirque

<image>The diagram shows valleys that are caused by glacier erosion. What are these valleys called? Choices: Horn Truncated spur Medial moraine Cirques

Cirques

<image>What does a glacier insist of? Choices: Ice Soil Rock Air

Ice

<image>Which of those is the older layer? Choices: Sedimentary rocks Impermeable rocks Water Trapped fossils

Trapped fossils

<image>Fossils need what for fossilization to start? Choices: Oil Natural Gas Sedimentary rocks Coal

Sedimentary rocks

<image>The soft parts of organisms almost always decompose quickly after death. In which stage of fossil formation does this occur? Choices: 2 3 4 1

1

<image>Can underwater animals decompose? Choices: no sometimes idk yes

yes

<image>What causes a fossil to be exposed? Choices: sediments Rock erosion the sun water

Rock erosion

<image>How many stages are there to the formation of a fossil? Choices: 3 4 2 5

4

<image>Identify which of the following does not happen to a fish. Choices: It Floats It Dies and sinks to the bottom of the lake The bones become a fossil. It rots and only bones are left

It Floats

<image>What is the process being described in this diagram? Choices: Organization Evolution Sedimentation Fossilization

Fossilization

<image>What happens after the fish rots? Choices: Gets covered by mud Sinks Only the bones are left Flyes

Only the bones are left

<image>How many steps of aquatic fossil formation show the image? Choices: 1 2 5 3

3

<image>What happens right after a fish dies and sink to the bottom of a lake? Choices: The fish rots. The fish floats back up. The water evaporates. Algae feast on the fish.

The fish rots.

<image>What happens after the mud hardens in the soil? Choices: Rock Layers Form Erosion Sediments are deposited Track is made

Sediments are deposited

<image>What does happen after the track is made? Choices: Rock layers form. Print is exposed by erosion. The mud hardens. Sediment is deposited.

The mud hardens.

<image>Which is the last step of the process? Choices: rock layers form mud hardens track is made print is exposed by erosion

print is exposed by erosion

<image>How many stages are there in the fossilization process? Choices: 8 3 5 10

5

<image>What would happen if the mud never hardened? Choices: Nothing would change if the mud didn't harden. A print would be made but it would be fuzzy. No print would be preserved. A print would be made but it would be from a different animal.

No print would be preserved.

<image>What is the stage of fossilization that is between the formation of lignite and anthracite? Choices: peat lignite forrest bituminous and subittuminous coal

bituminous and subittuminous coal

<image>How are arthritides formed? Choices: when birds eat vegetation compression of the soil when the vegetation dies when vegetation is burned when animals eat vegetation

compression of the soil when the vegetation dies

<image>What is formed by the compression of Peat? Choices: Anthracite Vegetation Lignite Coal

Lignite

<image>How many phases does anthracite need to form? Choices: 4 5 6 3

5

<image>What happened 300 million years ago? Choices: the vegetation and forms peat the peat is compressed between sediment layers to form lignite huge forests grew around 300 million years ago covering most of the Earth eventually anthracite forms

huge forests grew around 300 million years ago covering most of the Earth

<image>What needs to happen first before anthracite can form? Choices: peat is compresses bituminous forms peat is compressed vegetation dies

vegetation dies

<image>How many steps are in the process of fossilization? Choices: 2 4 1 3

4

<image>Identify the part of the process where sediment begins to cover the remains. Choices: 1 2 3 4

2

<image>Which is the last stage in the process of fossilization? Choices: 2 1 3 4

4

<image>How many stages are there to fossilization? Choices: 4 8 6 10

4

<image>How many steps are shown in the process of fossilization below? Choices: 2 5 3 4

4

<image>Which process of fossilization shows the dying and sinking of the fish? Choices: 1 2 3 4

2

<image>How many layers of land are there in the picture? Choices: 4 2 3 1

4