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Question (11)

QN001281

Which natural agent contributes most to soil formation?

(A) Plastic waste
(B) Weathering of rocks
(C) Metal cutting
(D) Electric current

Correct Answer: B

Explanation:

Rocks slowly break down to form soil.

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Question (12)

QN001282

Which of the following changes is caused by natural forces acting continuously?

(A) Cutting paper
(B) Soil erosion
(C) Breaking toys
(D) Cooking food

Correct Answer: B

Explanation:

Wind and water continuously erode soil.

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Question (13)

QN001283

Which process slowly changes the shape of landforms?

(A) Folding paper
(B) Weathering and erosion
(C) Lighting candles
(D) Tearing cloth

Correct Answer: B

Explanation:

Weathering and erosion reshape landforms.

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Question (14)

QN001284

Which example best represents a slow natural biological change?

(A) Rusting nail instantly
(B) Germination of seeds
(C) Bursting crackers
(D) Boiling water

Correct Answer: B

Explanation:

Germination occurs gradually in living organisms.

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Question (15)

QN001285

Which of the following helps roots break rocks slowly?

(A) Artificial chemicals only
(B) Growth of plant roots in cracks
(C) Electric heating
(D) Melting of metals

Correct Answer: B

Explanation:

Roots expand cracks in rocks slowly.

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Question (16)

QN001286

Why does soil formation take a long time?

(A) Rocks change instantly
(B) Weathering is a gradual process
(C) Soil forms only in factories
(D) Water stops rock changes completely

Correct Answer: B

Explanation:

Rocks weather very slowly.

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Question (17)

QN001287

Which process is both natural and irreversible?

(A) Folding cloth
(B) Growth of plants
(C) Melting ice
(D) Inflating balloons

Correct Answer: B

Explanation:

Plant growth cannot return to its original stage.

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Question (18)

QN001288

Which of the following is an example of a slow environmental change?

(A) Lightning flash
(B) Flood occurring suddenly
(C) Soil erosion over years
(D) Breaking glass instantly

Correct Answer: C

Explanation:

Soil erosion occurs gradually.

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Question (19)

QN001289

Which factor can speed up weathering of rocks in deserts?

(A) Constant freezing and heating
(B) Plastic covering
(C) Metal polishing
(D) Artificial cooling only

Correct Answer: A

Explanation:

Temperature changes crack rocks.

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Question (20)

QN001290

Which process below changes Earth’s surface slowly over time?

(A) Earthquake shock
(B) Weathering of rocks
(C) Balloon bursting
(D) Lighting fireworks

Correct Answer: B

Explanation:

Weathering slowly changes landscapes.

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Question (11)

Which natural agent contributes most to soil formation?

Explanation:

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Question (12)

Which of the following changes is caused by natural forces acting continuously?

Explanation:

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Question (13)

Which process slowly changes the shape of landforms?

Explanation:

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Question (14)

Which example best represents a slow natural biological change?

Explanation:

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Question (15)

Which of the following helps roots break rocks slowly?

Explanation:

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Question (16)

Why does soil formation take a long time?

Explanation:

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Question (17)

Which process is both natural and irreversible?

Explanation:

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Question (18)

Which of the following is an example of a slow environmental change?

Explanation:

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Question (19)

Which factor can speed up weathering of rocks in deserts?

Explanation:

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Question (20)

Which process below changes Earth’s surface slowly over time?

Explanation:

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