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Question (21)

QN001291

Which of the following is a slow change useful to humans?

(A) Formation of fertile soil
(B) Sudden fire accidents
(C) Breaking buildings
(D) Plastic burning

Correct Answer: A

Explanation:

Fertile soil supports agriculture.

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Question (22)

QN001292

Why is erosion considered harmful in some areas?

(A) It creates mountains quickly
(B) It removes fertile topsoil
(C) It forms metals instantly
(D) It increases soil nutrients immediately

Correct Answer: B

Explanation:

Erosion removes nutrient-rich soil.

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Question (23)

QN001293

Which process below demonstrates a gradual natural transformation?

(A) Ripening of fruits
(B) Bursting tyre
(C) Explosion of firecracker
(D) Breaking cup

Correct Answer: A

Explanation:

Ripening takes place slowly over time.

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Question (24)

QN001294

Which of the following changes is mainly caused by flowing water?

(A) Rusting iron
(B) Soil erosion
(C) Burning paper
(D) Cutting wood

Correct Answer: B

Explanation:

Flowing water carries away soil particles.

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Question (25)

QN001295

Which observation best indicates a slow natural change?

(A) A candle lighting instantly
(B) A tree increasing in height over years
(C) Glass shattering immediately
(D) Matchstick burning quickly

Correct Answer: B

Explanation:

Tree growth is gradual.

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Question (26)

QN001296

Which process contributes to formation of valleys over long periods?

(A) Cutting paper
(B) Water erosion
(C) Cooking food
(D) Melting wax

Correct Answer: B

Explanation:

Running water slowly forms valleys.

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Question (27)

QN001297

Which natural change helps in recycling nutrients in soil?

(A) Decay of dead plants and animals
(B) Breaking toys
(C) Burning plastic
(D) Cutting cloth

Correct Answer: A

Explanation:

Decay returns nutrients to the soil.

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Question (28)

QN001298

Which statement correctly compares fast and slow natural changes?

(A) Slow changes occur instantly
(B) Fast changes always take years
(C) Slow changes take a long time to complete
(D) Both occur at the same speed

Correct Answer: C

Explanation:

Slow changes happen gradually.

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Question (29)

QN001299

Which of the following changes is caused by both water and wind over time?

(A) Soil erosion
(B) Cooking food
(C) Folding paper
(D) Freezing milk

Correct Answer: A

Explanation:

Wind and water both cause erosion.

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Question (30)

QN001300

Which example best shows the importance of slow natural changes in nature?

(A) Formation of fertile soil supporting plant life
(B) Breaking glass windows
(C) Burning waste materials
(D) Cracking plastic objects

Correct Answer: A

Explanation:

Fertile soil is essential for plant growth.

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Question (21)

Which of the following is a slow change useful to humans?

Explanation:

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Question (22)

Why is erosion considered harmful in some areas?

Explanation:

Link:

Question (23)

Which process below demonstrates a gradual natural transformation?

Explanation:

Link:

Question (24)

Which of the following changes is mainly caused by flowing water?

Explanation:

Link:

Question (25)

Which observation best indicates a slow natural change?

Explanation:

Link:

Question (26)

Which process contributes to formation of valleys over long periods?

Explanation:

Link:

Question (27)

Which natural change helps in recycling nutrients in soil?

Explanation:

Link:

Question (28)

Which statement correctly compares fast and slow natural changes?

Explanation:

Link:

Question (29)

Which of the following changes is caused by both water and wind over time?

Explanation:

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Question (30)

Which example best shows the importance of slow natural changes in nature?

Explanation:

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