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SCIENCE > EROSION AND ITS EFFECT > Flashcards

EROSION AND ITS EFFECT Flashcards

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Biology 101 flashcards
1
Q

is the removal of weathered
rocks and soil and their transfer to
another location.

A

Erosion

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2
Q

WHAT IS EROSION

A

is the removal of weathered
rocks and soil and their transfer to
another location.

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3
Q

is the
settling down of eroded materials in
a new location.

A

Deposition

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4
Q

Deposition

A

is the
settling down of eroded materials in
a new location.

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5
Q

WHeN DOES EROSION STOP?

A

when materials are deposited and
settled in the new location.

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6
Q

WHAT ARE THE NATURAL AGENTS OF EROSION?

A

Wind Erosion
Water Erosion
Avalanche
Gravity

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7
Q

are mounds of sand that are similar
to hills in shape.

A

DUNES

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8
Q

is common in dry places like deserts and the polar regions.

A

Wind erosion

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9
Q

T/F
In dry areas, sand,
soil, snow, or debris is not held together by moisture or roots of plants.

A

TRUE

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10
Q

is caused by the force of
moving water in rain, ocean waves, and river
current.

A

Water erosion

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11
Q

WHAT IS WATER EROSION?

A

Water erosion is caused by the force of moving water in rain, ocean waves, and river current.

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12
Q

T/F

A

Rain DOES NOT carriy loose particles that are
not being held together by the roots of plants.

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13
Q

How do trees/ plants prevent erosion?

A

The ROOTS F THE PLANT / TREES hols the soil

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14
Q

how does River current affect erosion?

A

River water transports sediments as it moves.

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15
Q

T/F
The rocks and soil carved out of the banks and bottom add to the sediments being carried off along the river.

A

TRUE

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16
Q

The deposition of river sediments near the mouth of the river creates
landforms such as

A

floodplains and river deltas.

17
Q

What is Avalanche?

A

avalanche. It is a sudden downward flow of snow and ice from the mountains. Rocks and soil are carried with ice in an avalanche.

18
Q

How does gravity cause erosion?

A

Gravity causes erosion by pulling rocks, soil, and other materials downward.

19
Q

What is human-induced soil erosion?

A

Deforestation
Mining
Agricultural activities
Infrastructure

20
Q

What is Mining?

A

Mining is the extraction of valuable minerals from soil and rocks.

21
Q

What is Mining?

A

Mining is the extraction of valuable minerals from soil and rocks.

22
Q

What are the agricultural activities cause erosion?

A

Repeated plowing
Excessive Chemical
Removal of trees

23
Q

How does HUman infrastructure affect erosion?

A

Human infrastructure remove rocks and soil in certain locations to construct different structures.

24
Q

Choose from A. ice B. gravity C. water D. wind the cause of the event below

sandbar

A

c water

25
Q

Choose from A. ice B. gravity C. water D. wind the cause of the event below

river delta

A

c. water

26
Q

Choose from A. ice B. gravity C. water D. wind the cause of the event below

avalanche

A

A. ice

27
Q

Choose from A. ice B. gravity C. water D. wind the cause of the event below

desert sand dune

A

wind

28
Q

Choose from A. ice B. gravity C. water D. wind the cause of the event below

landslides

A

water

29
Q

Choose from A. ice B. gravity C. water D. wind the cause of the event below

sand in he shore

A

water

30
Q

Choose from A. ice B. gravity C. water D. wind the cause of the event below

sand in he shore

A

water

31
Q

Choose from A. ice B. gravity C. water D. wind the cause of the event below

riverbed sedimentation

A

water

32
Q

Choose from A. ice B. gravity C. water D. wind the cause of the event below

rockslides

A

gravity

33
Q

Choose from A. ice B. gravity C. water D. wind the cause of the event below

riverbank formation

A

water

34
Q

Choose from A. ice B. gravity C. water D. wind the cause of the event below

ocean bed sedimentation

A

water

35
Q

Choose from A. agriculture B. deforestation C. development project D. mining

removal of forest

A

deforestation

36
Q

Choose from A. agriculture B. deforestation C. development project D. mining

constructing of road

A

development project

37
Q

Choose from A. agriculture B. deforestation C. development project D. mining

using chemical fertilizers

A

agriculture

38
Q

Choose from A. agriculture B. deforestation C. development project D. mining

extracting copper

A

mining

39
Q

Choose from A. agriculture B. deforestation C. development project D. mining

building houses

A

development project

SCIENCE (7 decks)

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