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Question (11)

QN0023792

Which term refers to gases that trap heat in Earth's atmosphere?

(A) Noble gases
(B) Greenhouse gases
(C) Inert gases
(D) Rare gases

Correct Answer: B

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Question (12)

QN0023793

The greenhouse effect helps keep Earth

(A) completely frozen
(B) warm enough for life
(C) without atmosphere
(D) dry throughout the year

Correct Answer: B

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Question (13)

QN0023794

Excess greenhouse gases can cause

(A) enhanced warming of Earth
(B) reduction in sunlight
(C) decrease in gravity
(D) slower rotation of Earth

Correct Answer: A

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Question (14)

QN0023795

Which practice can help reduce climate change?

(A) Increasing deforestation
(B) Using renewable energy
(C) Burning more coal
(D) Wasting electricity

Correct Answer: B

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Question (15)

QN0023796

Solar energy is considered

(A) renewable energy
(B) fossil fuel energy
(C) nuclear waste
(D) non-renewable energy

Correct Answer: A

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Question (16)

QN0023797

A city emitted 500 tonnes of carbon dioxide last year and 650 tonnes this year. By how many tonnes did emissions increase?

(A) 100
(B) 120
(C) 150
(D) 180

Correct Answer: C

Explanation:

650 − 500 = 150 tonnes.

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Question (17)

QN0023798

A forest absorbs 800 tonnes of carbon dioxide annually. If deforestation reduces absorption to 500 tonnes, how much absorption is lost?

(A) 200 tonnes
(B) 250 tonnes
(C) 300 tonnes
(D) 350 tonnes

Correct Answer: C

Explanation:

800 − 500 = 300 tonnes.

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Question (18)

QN0023799

Global average temperature rises from 14°C to 15.5°C. What is the increase in temperature?

(A) 1°C
(B) 1.5°C
(C) 2°C
(D) 2.5°C

Correct Answer: B

Explanation:

15.5 − 14 = 1.5°C.

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Question (19)

QN0023800

If sea level rises by 12 cm over a period and then rises by another 8 cm, what is the total rise?

(A) 18 cm
(B) 19 cm
(C) 20 cm
(D) 22 cm

Correct Answer: C

Explanation:

12 + 8 = 20 cm.

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Question (20)

QN0023801

A village plants 2,000 trees and 1,500 survive. What percentage of the planted trees survived?

(A) 65%
(B) 70%
(C) 75%
(D) 80%

Correct Answer: C

Explanation:

1500/2000 × 100 = 75%.

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Question (11)

Which term refers to gases that trap heat in Earth's atmosphere?

Explanation:

Link:

Question (12)

The greenhouse effect helps keep Earth

Explanation:

Link:

Question (13)

Excess greenhouse gases can cause

Explanation:

Link:

Question (14)

Which practice can help reduce climate change?

Explanation:

Link:

Question (15)

Solar energy is considered

Explanation:

Link:

Question (16)

A city emitted 500 tonnes of carbon dioxide last year and 650 tonnes this year. By how many tonnes did emissions increase?

Explanation:

Link:

Question (17)

A forest absorbs 800 tonnes of carbon dioxide annually. If deforestation reduces absorption to 500 tonnes, how much absorption is lost?

Explanation:

Link:

Question (18)

Global average temperature rises from 14°C to 15.5°C. What is the increase in temperature?

Explanation:

Link:

Question (19)

If sea level rises by 12 cm over a period and then rises by another 8 cm, what is the total rise?

Explanation:

Link:

Question (20)

A village plants 2,000 trees and 1,500 survive. What percentage of the planted trees survived?

Explanation:

Link:

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