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Earth Science Semester 1 Final Exam 2023-2024

Total questions: 170

Worksheet time: 5hrs 44mins

Name
Class
Date
1.
At higher temperatures
a)
particles in an object have less energy
b)
particles in an object move faster
c)
a gas contracts
2.
A gas
a)
has a definite shape but no definite volume
b)
has a definite volume but no definite shape
c)
has fast-moving particles
3.

Freezing

a)

Solid to gas

b)

Liquid to solid

c)

Gas to solid

4.

Boiling

a)

liquid to gas

b)

gas to solid

c)

gas to liquid

5.
Which state of matter has a definite shape?
a)
solid
b)
liquid
c)
gas
6.

The state of matter that has no definite size or shape is

a)

Solid

b)

Liquid

c)

Gas

7.

Particles in a ______________________ move quickly and are far apart.

a)

gas

b)

solid

c)

liquid

8.

Solid to Gas

a)

Deposition

b)

Sublimation

c)

Evaporation

9.

The slower the particles in a substance move,

a)

the colder it is.

b)

the warmer it is.

c)

the more energy it has.

10.
The temperature of a substance increases as___.
a)
the substance expands
b)
the average kinetic energy of its particles increases
c)
the substance's volume increases
d)
the substance's mass increases
11.

Liquid to Gas

a)

Condensation

b)

Evaporation

c)

Sublimation

12.

Particles move relative to each other, but remain in contact with each other.

a)

solid

b)

liquid

c)

gas

13.

Basic state of matter with the greatest amount of energy.

a)

solid

b)

liquid

c)

gas

14.

What happens to particles when their temperature increases?

a)

The particles move slower

b)

The particles move faster

c)

The particles lose mass

d)

The particles gain mass

15.

The amount of space something takes up is its...

a)

Mass

b)

Volume

c)

Thermal Energy

d)

Temperature

16.

The energy of MOTION is...

a)

chemical energy

b)

radiant energy

c)

potential energy

d)

kinetic energy

17.

Earth system that includes rocks, sand, and mountains

a)

geosphere

b)

atmosphere

c)

hydrosphere

d)

biosphere

18.

Bears, people, and trees are part of what Earth System?

a)

hydrospere

b)

atmosphere

c)

biosphere

d)

geosphere

19.

What is an interaction with the geosphere?

a)

drinking a glass of water

b)

a factory releasing chemicals into the air

c)

digging a hole in the backyard

d)

a beaver building a dam

Show answersExplanationPreviousNext

20.

Which is an interaction with the atmosphere?

a)

a new tree absorbing rainwater through its roots

b)

a car releasing too much carbon monoxide

c)

a polar bear floating on a glacier

d)

algae growing in a pond

21.

The word for all the Earth's living organisms is the _________.

a)

Biosphere

b)

Hydrosphere

c)

Lithosphere

d)

Atmosphere

22.

Earth's circulating water systems is the ___________.

a)

Biosphere

b)

Hydrosphere

c)

Lithosphere

d)

Geosphere

23.

Earth's surface and interior is the___________.

a)

Biosphere

b)

Atmosphere

c)

Geosphere

d)

Hydrosphere

24.

Earth's relatively thin layer of gases is the __________.

a)

Biosphere

b)

Geosphere

c)

Hydrosphere

d)

Atmosphere

25.

Which is an example of an interaction between the Hydrosphere and Atmosphere?

a)

A cloud forms in the sky

b)

water in the ground is used by plants

c)

ocean waves carve out a cave into a rocky cliff

d)

humans pollute the air

26.

True/False: Cycles of matter show the interactions among earth systems.

a)

True

b)

False

27.

The Geosphere is...

a)

All liquid water on Earth

b)

A 100km thick layer of gases

c)

frozen water on earth

d)

Earths entire solid body 

28.

Bio =

a)

Science

b)

Math

c)

Life

d)

Earth

29.

Geo =

a)

Earth

b)

Sphere

c)

Life

d)

Water

30.

Hydro =

a)

Sphere

b)

Earth

c)

Life

d)

Water

31.

The rocky part of the Earth; both solid and semi-solid rock is what system?

a)

Geosphere

b)

Atmosphere

c)

Cryosphere

d)

Atmosphere

32.

How do the geosphere and the hydrosphere interact?

a)

The geosphere stores parts of the hydrosphere.

b)

The geosphere erodes (shapes) the hydrosphere.

c)

The hydrosphere stores parts of the geosphere.

33.

How do the geosphere and the atmosphere interact?

a)

Air contains water.

b)

Volcanic ash can enter the atmosphere.

c)

Living things need air to survive.

34.

The atmosphere is...

a)

all of earths water

b)

the gaseous layer that envelopes the earth.

c)

all the rock on earth

d)

all living things

35.

Rain falls from clouds in the sky and that provide drinking water for wildlife and humans as well as water for plant growth.

This is an interaction between which spheres?

a)

hydrosphere: geosphere

b)

atmosphere: biosphere

c)

geosphere: hydrosphere

d)

hydrosphere: biosphere

36.

Carbon dioxide (CO2) gas is absorbed by the ocean. Which systems interact?

a)

Geosphere : Atmosphere

b)

Atmosphere : Hydrosphere

c)

Hydrosphere : Biosphere

d)

Hydrosphere : Geosphere

37.

All living things on earth are part of the....

a)

Biosphere​

b)

Geosphere

c)

Hydrosphere

d)

Cryosphere

38.

The Geosphere is...​

a)

All liquid water on Earth

b)

A 100km thick layer of gases

c)

frozen water on earth

d)

Earth's entire solid body

39.

the hydrosphere is made up of

a)

all of earths air

b)

all non living things on earth

c)

all of the Earth’s water

d)

all the nitrogen on earth

40.

the atmosphere is...

a)

all of earths water

b)

the gaseous layer that envelopes the earth.

c)

all the rock on earth

d)

all living things

41.

what are the percentage of gases in the atmosphere

a)

71% nitrogen, 28% oxygen, 1% trace gases

b)

78% nitrogen, 21% oxygen, 1% trace gases

c)

77% nitrogen, 22% oxygen, 1% trace gases

42.

rain falls from clouds in the sky and that provide drinking water for wildlife and humans as well as water for plant growth.

This is an interaction between which spheres?

a)

hydrosphere: geosphere

b)

atmosphere: biosphere

c)

geosphere: hydrosphere

d)

hydrosphere: biosphere

43.

which best represents an interaction between the atmosphere and geosphere

a)

Rain falls and forms rivers and streams

b)

The Sun's radiation is what keeps the Earth's interior hot and molten.

c)

River action erodes banks and uproots plants on the riverbanks.

d)

birds fly through the air

44.

earth is what type of systems

a)

open

b)

closed

c)

isolated

45.

which is an example of a closed system

a)

Yeti cooler

b)

a open pot of boiling water

c)

a closed pot of boiling water

d)

lithosphere

46.
The color of a mineral in powder form is called the mineral's 
a)
hardness
b)
specific gravity
c)
luster
d)
streak
47.
How light reflects off of a mineral is called the mineral's 
a)
luster
b)
streak
c)
cleavage
d)
fracture
48.
Why is coal not a mineral?
a)
It's not a solid
b)
It is man-made
c)
It is not inorganic
d)
It is made of carbon
49.
The following image shows what mineral property?
a)
Hardness
b)
Streak
c)
Cleavage
d)
Density
50.
Diamond has a hardness of ___ on Mohs Hardness Scale.
a)
1
b)
5
c)
8
d)
10
51.
Dull, silky, waxy, pearly, and earthy are terms that best describe which property of minerals?
a)
luster
b)
color
c)
streak
d)
cleavage
52.
By definition, a mineral has which of the following characteristic(s)?
a)
definite chemical composition
b)
crystal structure
c)
naturally occuring
d)
all of the above
53.
How do you test the hardness of a mineral? 
a)
Throw it against a wall
b)
Step on it
c)
Scratch Test
d)
Kick it until it breaks
54.
What mineral is used for pencils?
a)
Graphite
b)
Galena
c)
Magnetite
d)
Quartz
55.
A naturally occurring, inorganic solid with a crystal structure and a definite chemical composition is referring to
a)
density
b)
streak
c)
mineral
d)
non silicate mineral
56.
The solid, geometric form of a mineral produced by a repeating pattern of atoms
a)
crystal
b)
density
c)
element
d)
fracture 
57.
This rock formed when bits of other rocks became pressed into a solid. What type of rock is it?
a)
Sedimentary Rock
b)
Metamorphic Rock
c)
Igneous Rock
58.
This rock was formed when magma cooled very slowly inside the Earth. What specific type of rock is it?
a)
Intrusive Igneous Rock
b)
Extrusive Igneous Rock
c)
Foliated Metamorphic Rock
d)
Clastic Sedimentary Rock
59.
This rock formed when lava cooled very quickly on Earth's surface. What specific type of rock is it?
a)
Extrusive Igneous Rock
b)
Intrusive Igneous Rock
c)
Non-Foliated Metamorphic Rock
d)
Biochemical Sedimentary Rock
60.
When you watch a volcano erupt molten rock, you are seeing _____
a)
Lava
b)
Magma
c)
Mineral Crystals
d)
Igneous Rocks
61.
When you are describing the sizes of the mineral grains in a rock, you are detailing the rock's _____
a)
Texture
b)
Composition
c)
Sedimentation
d)
Igneous-ness
62.
What are the 3 major types of rocks?
a)
Igneous, Metamorphic, Sedimentary
b)
Metamorphic, Igneous, Cementation
c)
Brown, Red, Gray
d)
Streak, Hardness, Breakage
63.
Two ways to describe types of igneous rocks are _____
a)
Extrusive and Intrusive
b)
Foliated and Non-Foliated
c)
Clastic and Biochemical
d)
Black and Gray
64.
What process is used to form sedimentary rocks?
a)
Lava cools and hardens to form a rock.
b)
Bits of sand and gravel form layers that turn into rock from pressure.
c)
Extreme heat and pressure from inside the Earth turn rocks into new rocks.
d)
Magma trapped under the Earth's surface cools and solidifies.
65.
This rock was formed by smaller pieces of rock that settled at the bottom of a lake millions of years ago. What type of rock is this?
a)
Sedimentary
b)
Igneous
c)
Metamorphic
66.
What has to increase for metamorphism to occur? 
a)
weathering and erosion
b)
temperature and pressure
c)
melting and cooling
d)
compaction ad cementation
67.
How a mineral reflects light from its surface
a)
crystal
b)
luster
c)
streak
d)
refraction
68.
The property of splitting easily along flat surfaces
a)
fracture
b)
hardness
c)
cleavage
d)
streak
69.
How a mineral splits apart when it does not break evenly:
a)
streak
b)
hardness
c)
cleavage
d)
fracture
70.
The color of a minerals powder
a)
luster
b)
streak
c)
hardness
d)
texture
71.
A ranking of a minerals from softest to hardest
a)
streak test
b)
luster test
c)
Mohs hardness scale
d)
fracture
72.
Minerals are the building blocks of _____________.
a)
elements
b)
atoms
c)
fossils
d)
rocks
73.
The hardest mineral on the Mohs Hardness scale
a)
Talc
b)
Obsidian
c)
Diamond
d)
Quartz
74.
The softest mineral on the Mohs Hardness scale
a)
Gypsum
b)
Talc
c)
Diamond
d)
Feldspar
75.
Geologist have identified over _____________ minerals.
a)
40
b)
400
c)
1000
d)
2000
76.
Minerals are inorganic which means that
a)
they were once parts of living things.
b)
renewable
c)
they were never part of anything living.
d)
they are nonrenewable
77.
A substance composed of a single kind of atom
a)
element
b)
compound
78.
Gold is an example of a/an
a)
compound
b)
element
79.
When 2 or more elements combine a/an __________ is formed.
a)
atom
b)
compound
80.
Metamorphic rocks are foliated if their mineral grains are arranged randomly.
a)
true
b)
false
81.
The metamorphic rock __________ usually forms when limestone is subjected to heat and pressure deep beneath the surface.
a)
marble
b)
slate
c)
sandstone
82.
Marble is often used in sculpture because its even color allows it to be carved into complex and detailed shapes.
a)
true
b)
false
83.
Because the foliated metamorphic rock __________ splits easily into flat pieces, it is used for roofing material.
a)
marble
b)
slate
c)
sandstone
84.
Heat and pressure change the sedimentary rock shale into slate.
a)
true
b)
false
85.
Any rock formed when another rock is changed by heat or __________ is a metamorphic rock.
a)
pressure
b)
arrangement
86.
Metamorphic rock can form out of other metamorphic rock.
a)
true
b)
false
87.
Geologists classify metamorphic rocks according to the __________ of the grains making up the rocks.
a)
pressure
b)
arrangement
88.
The deeper a rock is buried in the crust, the greater the pressure on that rock.
a)
true
b)
false
89.
Quartzite forms when the quartz particles in __________ recrystallize.
a)
marble
b)
slate
c)
sandstone
90.

Term used to describe metamorphic rocks that have grains arranged in parallel layers or bands.

a)

exfoliated

b)

foliated

c)

nonfoliated

d)

unfoliated

91.

Which type of rock is formed from the solidification of magma or lava?

a)

igneous

b)

sedimentary

c)

metamorphic

d)

bioclastic

92.

Where is magma located?

a)

above ground

b)

below ground

c)

in the stratosphere

d)

in the thermosphere

93.

Where is lava located?

a)

above ground

b)

below ground

c)

in the core

d)

in the mantle

94.

Describe the texture of the following igneous rock.

a)

smooth

b)

coarse

c)

vesicular

d)

glassy

95.

Describe the texture of the following igneous rock.

a)

glassy

b)

rough

c)

vesicular

d)

coarse

96.

Describe the texture of the following igneous rock (grain size 1-10 mm).

a)

vesicular

b)

glassy

c)

fine

d)

coarse

97.

Describe the texture of the following igneous rock (grain size < 1mm).

a)

glassy

b)

fine

c)

coarse

d)

vesicular

98.

Describe the mineral composition of the following igneous rock.

a)

felsic

b)

mafic

99.

Describe the mineral composition of the following igneous rock.

a)

felsic

b)

mafic

100.

Describe the environment of formation for the following igneous rock (grain size > 10 mm).

a)

intrusive

b)

extrusive

101.

Describe the environment of formation for the following igneous rock.

a)

intrusive

b)

extrusive

102.

Describe the rate of cooling for the following igneous rock (grain size 1-10 mm).

a)

slow cooling

b)

rapid cooling

103.

Describe the rate of cooling for the following igneous rock.

a)

slow cooling

b)

rapid cooling

104.

Describe the environment of formation for the following igneous rock (grain size 1-10 mm).

a)

above ground

b)

below ground

105.

Describe the environment of formation for the following igneous rock (grain size < 1 mm).

a)

above ground

b)

below ground

106.
Sedimentary Rocks are often made up of other rocks and minerals.
a)
True
b)
False
107.
Small pieces of rock, sand, silt is called?
a)
weathering
b)
sediment
108.
The natural "cement" that hold sediments together to form sedimentary rock is made up of?
a)
glue
b)
minerals
c)
marshmallows
109.
Coal is formed from dead plants and other organisms?
a)
True
b)
False
110.
Sedimentary rocks are often formed in layers.
a)
True 
b)
False
111.
The process when rocks break into smaller pieces due to exposure to natural elements is called
a)
erosion
b)
weathering
c)
sediments
112.
Fossils are only found in sedimentary rocks.
a)
True
b)
False
113.
When sediments are pressed together tightly, this is called ____________.
a)
Compaction
b)
Cementation
c)
Weathering
d)
Erosion
114.
Sedimentary rock that is made of fragments of rocks cemented together by a mineral are called...
a)
chemical
b)
organic
c)
clastic
115.
Sedimentary rock made from fossils are called...
a)
organic
b)
chemical
c)
stratified
116.
a)
Lithographic Limestone
b)
Breccia
c)
Coal
d)
Conglomerate
117.
This rock is made from tiny pieces of other rocks that settled to the bottom of a valley millions of years ago. What type of rock is this?
a)
Sedimentary
b)
Igneous
c)
Metamorphic
118.
Name this rock.
a)
marble
b)
organic limestone
c)
sandstone
d)
granite
119.
The process in which dissolved minerals crystallize and glue sediment together.
a)
compaction
b)
deposition
c)
organic rock
d)
cementation
120.
a)
Dolomite
b)
Sandstone
c)
Shale
d)
Coquina
121.

Which causes rocks to physically weather in to sediments?

a)

Water

b)

Ice

c)

Wind

d)

All of the above

122.
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.
123.
This rock is made of salts left behind when a shallow sea evaporated. What type of sedimentary rock is it?
a)
Clastic
b)
Chemical
c)
Organic
124.
What characteristic to sedimentary rocks often have?
a)
weather patterns
b)
tiny crystals
c)
striped layers
d)
glassy surfaces
125.

Alfred Wegener thought which 2 continents looked like puzzle pieces that could fit together?

a)

Antarctica and Asia

b)

South America and Africa

c)

South America and Australia

d)

Africa and Pangaea

126.

Alfred Wegener thought South America and Africa have similar coastlines because...

a)

the mesosaurus fossils were found on both continents

b)

He noticed that similar rocks were found on both continents

c)

he thought that the continents used be be joined together

d)

Pangaea was 250 million years ago

127.

What cold environment feature was evidence to support the theory that the continents used to be joined?

a)

Same rocks were found on different continents

b)

Glacial grooves were found on different continents

c)

Fossilized evidence of the same organism found on different continents

d)

Africa and South America look like puzzle pieces that fit together

128.

What evidence of an ancient organism was used to support the theory that the continents used to be joined?

a)

Same rocks were found on different continents

b)

Glacial grooves were found on different continents

c)

Fossilized evidence of the same organism found on different continents

d)

Africa and South America look like puzzle pieces that fit together

129.

What was Pangaea?

a)

It was a supercontinent, made of all of the landmasses on Earth.

b)

It was 2 separate landmasses, one on the Northern Hemisphere and one on the Southern Hemisphere.

c)

It was a supercontinent made of 3 landmasses

d)

It was the name of an ancient organism

130.

What was Alfred Wegenerś Continental Drift theory?

a)

The continents used to be joined together to form a supercontinent.

b)

The continents have since drifted apart to their current location

c)

Pangaea was formed around 250 million years ago

d)

All of the above

131.

What are two pieces of evidence used to support the theory of continental drift?

a)

Fossils and Pangaea

b)

South America and Rocks

c)

Rocks and Fossils

d)

Fossils and Africa

132.

Study of plates, their movement, and Earth’s features that they affect

a)

Plate boundaries

b)

Plate Tectonics

c)

Major mountains

133.
What are the puzzle pieces of the Earth's surface called?
a)
Tectonic plates
b)
Puzzles
c)
Earthquakes
134.
How long ago is Pangea believed to have existed?
a)
200-300 million years ago
b)
1000-2000 years ago
c)
10,000-20,000 years ago
d)
20-30 billion years ago
135.

Where did Wegener find plant fossils that today would not be able to survive on that type of land?

a)

North America

b)

Antarctica

c)

China

d)

India

136.

What is the name for the large landmass of all the continents that formed 175 million years ago?

a)

Pangaea

b)

Laurasia

c)

United Continents

137.

What piece of evidence for Continental Drift states that similar types and ages of rocks are found on different continents?

a)

Continent Shape

b)

Fossil/Climate Evidence

c)

Landform/Rock Evidence

d)

Glacial Evidence

138.

What piece of evidence for Continental Drift states that the same plant and animal fossils are found on continents separated by oceans.

a)

Continent Shape

b)

Fossil/Climate Evidence

c)

Landform/Rock Evidence

d)

Glacial Evidence

139.
Who is the person credited with developing the theory of continental drift?
a)
Harry Hess
b)
Galileo
c)
Alfred Wegener
d)
Newton
140.

The Appalachian & the Caledonian Mountain ranges have the same age & composition. This is an example of which type of clue?

a)

Climate

b)

Rock

c)

Fossil

d)

Life

141.

Glacial grooves are an example of which type of clue?

a)

Climate

b)

Rock

c)

Fossil

d)

Life

142.

Wegener found fossils of ancient ferns on Antarctica, this shows

a)

That some ferns can survive temperatures well below freezing

b)

That humans put ferns on Antarctica millions of years ago

c)

That Antarctica drifted from a warmer climate where plants could grow

d)

That fossils can be formed in cold climates

143.

How was Wegener's theory received by other scientists at the time?

a)

They thought it was great

b)

They did not accept it

144.

What does the theory of continental drift state?

a)

The continents were once joined in a super-continent and have moved over time

b)

Continents are stationary and do not move

c)

The Earth is broken into lithospheric plates that move due to convection currents

d)

none of the above

145.

Who proposed the Continental Drift Theory?

a)

Harry Hess

b)

Alfred Wegener

c)

Alfred Hess

d)

None of the above

146.

In what year was the Continental Drift Theory introduced?

a)

1912

b)

1945

c)

1960

d)

1930

147.

What is the name of the single large continent, from which the other continents were formed?

a)

Avatar

b)

Pandora

c)

Pangaea

d)

Amazon

148.

What type of evidence was helpful in proving the Continental Drift theory?

a)

hidden treasures

b)

dinosaur fossils

c)

fossil evidence, continental fit, glacial evidence and landform and rock layers

d)

tropical forests

149.

When did the Earth's continents stopped breaking apart and coming together?

a)

In 1960

b)

It stopped in 1950 then continued to move after 1952

c)

Between 1912 and 1930

d)

It has not stopped, it is continually breaking apart and coming together.

150.

When did Pangea first start to break apart?

a)

175 million years ago

b)

200 million years ago

c)

30 million years ago

d)

178 million years ago

151.

What were the names of the two continents that started drifting apart?

a)

Europe and South America

b)

The Netherlands and Greenland

c)

Laurasia and Gondwanaland

d)

Africa and Australia

152.

Who proposed the Plate Tectonics Theory?

a)

Harry Osborn

b)

Harry Potter

c)

Harry Hess

d)

Harry Jones

153.

What did Harry Hess measure when he was in the navy?

a)

volcanoes around the world

b)

the surface of the ocean floor

c)

how deep the ocean goes

d)

submarines in the ocean

154.

What is the Continental Drift Theory?

a)

A theory that explains the weather.

b)

A scientific discovery made in 1960.

c)

A study of fossils and rocks

d)

The idea that Earth's continents moved apart from a single large continent called Pangaea.

155.

What is a plate boundary?

a)

when two plates come together

b)

the second layer of earth

c)

ocean component

d)

continental drift

156.

What are the types of plate boundaries?

a)

divergent, converge, transform

b)

divergent, oceanic, transform

c)

oceanic, continental, divergent

d)

transform, oceanic, converge

157.

What is a convergent boundary?

a)

two plates that converge

b)

two plates that drift apart

c)

two plates that collide and push against each other

d)

two plates that slide past each other

158.

What type of crustal features form at a convergent boundary?

a)

salt flats

b)

folded mountains

c)

earthquakes

d)

lakes

159.

What is a divergent boundary?

a)

two plates that drift apart

b)

two plates that slide past each other

c)

two plates that collide

d)

a fault

160.

What type of crustal features form at a divergent boundary?

a)

a trench

b)

an ocean whole

c)

an earthquake

d)

a rift or a ridge

161.

What is a transform boundary?

a)

two plates colliding

b)

two plates sliding past each other

c)

two plates drifting apart

d)

tectonic plates

162.

What type of crustal features form at a transform boundary?

a)

volcanoes

b)

trenches

c)

faults

d)

valleys

163.

What makes the plate tectonics move?

a)

hot magma

b)

the ocean floor

c)

convection currents

d)

heat waves

164.

Why does Pangaea no longer exist?

a)

It still exists today.

b)

Continental Drift shifted the plates causing it to separate.

c)

Convection Currents shift the plates causing it to separate.

d)

Volcanic activity causes the continents to shift.

165.

Two or more tectonic plates that move towards one another is a

a)

Divergent Boundary

b)

Transform Boundary

c)

Subduction

d)

Convergent Boundary

166.

Two or more tectonic plates move away from each other is a

a)

Subduction

b)

Transform Boundary

c)

Divergent Boundary

d)

Convergent Boundary

167.

Two or more tectonic plates shift horizontally alongside each other is a

a)

Divergent Boundary

b)

Transform Boundary

c)

Convergent Boundary

d)

Subduction

168.

When one plate slips underneath another plate is called

a)

Subduction

b)

Transform Boundary

c)

Convergent Boundary

d)

Divergent Boundary

169.

The difference between oceanic and continental plates is

a)

oceanic plates are more dense and lower elevation.

b)

continental plates are more dense and lower elevation.

c)

oceanic plates are less dense and higher elevations.

d)

continental plates are less dense and lower elevation.

170.

An oceanic plate converges on a continental plate, which one subducts under the other?

a)

Continental Plate

b)

Oceanic Plate